Home / 390,747.23-586,114.46-124,504.14

Finding the Fourth Proportional to 390,747.23, 586,114.46 and 124,504.14

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Solution

The fourth proportional to 390,747.23, 586,114.46 and 124,504.14 is: 186,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,747.23 : 586,114.46 = 124,504.14 : x
  2. Step 2: Convert to fraction form
    390,747.23/586,114.46 = 124,504.14/x
  3. Step 3: Cross multiply
    390,747.23x = 586,114.46 × 124,504.14
  4. Step 4: Simplify right side
    390,747.23x = 72,973,676,783.86
  5. Step 5: Solve for x
    x = 72,973,676,783.86/390,747.23
  6. Step 6: Final answer
    x = 186,754.18

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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.