Home / 309,929.20-464,681.56-157,831.86

Finding the Fourth Proportional to 309,929.20, 464,681.56 and 157,831.86

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Solution

The fourth proportional to 309,929.20, 464,681.56 and 157,831.86 is: 236,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,929.20 : 464,681.56 = 157,831.86 : x
  2. Step 2: Convert to fraction form
    309,929.20/464,681.56 = 157,831.86/x
  3. Step 3: Cross multiply
    309,929.20x = 464,681.56 × 157,831.86
  4. Step 4: Simplify right side
    309,929.20x = 73,341,554,922.50
  5. Step 5: Solve for x
    x = 73,341,554,922.50/309,929.20
  6. Step 6: Final answer
    x = 236,639.71

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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.