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Finding the Fourth Proportional to 293,130.68, 439,727.88 and 93,404.12

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Solution

The fourth proportional to 293,130.68, 439,727.88 and 93,404.12 is: 140,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,130.68 : 439,727.88 = 93,404.12 : x
  2. Step 2: Convert to fraction form
    293,130.68/439,727.88 = 93,404.12/x
  3. Step 3: Cross multiply
    293,130.68x = 439,727.88 × 93,404.12
  4. Step 4: Simplify right side
    293,130.68x = 41,072,395,670.87
  5. Step 5: Solve for x
    x = 41,072,395,670.87/293,130.68
  6. Step 6: Final answer
    x = 140,116.33

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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.