Home / 345,975.40-519,740.70-336,644.20

Finding the Fourth Proportional to 345,975.40, 519,740.70 and 336,644.20

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Solution

The fourth proportional to 345,975.40, 519,740.70 and 336,644.20 is: 505,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,975.40 : 519,740.70 = 336,644.20 : x
  2. Step 2: Convert to fraction form
    345,975.40/519,740.70 = 336,644.20/x
  3. Step 3: Cross multiply
    345,975.40x = 519,740.70 × 336,644.20
  4. Step 4: Simplify right side
    345,975.40x = 174,967,692,158.94
  5. Step 5: Solve for x
    x = 174,967,692,158.94/345,975.40
  6. Step 6: Final answer
    x = 505,722.93

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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.