Home / 390,270.15-585,470.84-124,010.19

Finding the Fourth Proportional to 390,270.15, 585,470.84 and 124,010.19

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Solution

The fourth proportional to 390,270.15, 585,470.84 and 124,010.19 is: 186,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,270.15 : 585,470.84 = 124,010.19 : x
  2. Step 2: Convert to fraction form
    390,270.15/585,470.84 = 124,010.19/x
  3. Step 3: Cross multiply
    390,270.15x = 585,470.84 × 124,010.19
  4. Step 4: Simplify right side
    390,270.15x = 72,604,349,487.81
  5. Step 5: Solve for x
    x = 72,604,349,487.81/390,270.15
  6. Step 6: Final answer
    x = 186,036.13

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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.