Home / 386,146.08-579,011.76-175,831.20

Finding the Fourth Proportional to 386,146.08, 579,011.76 and 175,831.20

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Solution

The fourth proportional to 386,146.08, 579,011.76 and 175,831.20 is: 263,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,146.08 : 579,011.76 = 175,831.20 : x
  2. Step 2: Convert to fraction form
    386,146.08/579,011.76 = 175,831.20/x
  3. Step 3: Cross multiply
    386,146.08x = 579,011.76 × 175,831.20
  4. Step 4: Simplify right side
    386,146.08x = 101,808,332,574.91
  5. Step 5: Solve for x
    x = 101,808,332,574.91/386,146.08
  6. Step 6: Final answer
    x = 263,652.38

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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.