Home / 339,975.10-509,962.65-228,000.70

Finding the Fourth Proportional to 339,975.10, 509,962.65 and 228,000.70

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Solution

The fourth proportional to 339,975.10, 509,962.65 and 228,000.70 is: 342,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,975.10 : 509,962.65 = 228,000.70 : x
  2. Step 2: Convert to fraction form
    339,975.10/509,962.65 = 228,000.70/x
  3. Step 3: Cross multiply
    339,975.10x = 509,962.65 × 228,000.70
  4. Step 4: Simplify right side
    339,975.10x = 116,271,841,173.86
  5. Step 5: Solve for x
    x = 116,271,841,173.86/339,975.10
  6. Step 6: Final answer
    x = 342,001.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.