Home / 390,560.27-585,829.07-124,336.76

Finding the Fourth Proportional to 390,560.27, 585,829.07 and 124,336.76

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Solution

The fourth proportional to 390,560.27, 585,829.07 and 124,336.76 is: 186,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,560.27 : 585,829.07 = 124,336.76 : x
  2. Step 2: Convert to fraction form
    390,560.27/585,829.07 = 124,336.76/x
  3. Step 3: Cross multiply
    390,560.27x = 585,829.07 × 124,336.76
  4. Step 4: Simplify right side
    390,560.27x = 72,840,089,320.50
  5. Step 5: Solve for x
    x = 72,840,089,320.50/390,560.27
  6. Step 6: Final answer
    x = 186,501.53

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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.