Home / 318,239.48-439,173.60-175,000.50

Finding the Fourth Proportional to 318,239.48, 439,173.60 and 175,000.50

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Solution

The fourth proportional to 318,239.48, 439,173.60 and 175,000.50 is: 241,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,239.48 : 439,173.60 = 175,000.50 : x
  2. Step 2: Convert to fraction form
    318,239.48/439,173.60 = 175,000.50/x
  3. Step 3: Cross multiply
    318,239.48x = 439,173.60 × 175,000.50
  4. Step 4: Simplify right side
    318,239.48x = 76,855,598,930.55
  5. Step 5: Solve for x
    x = 76,855,598,930.55/318,239.48
  6. Step 6: Final answer
    x = 241,502.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.