Home / 316,831.24-437,210.40-180,859.78

Finding the Fourth Proportional to 316,831.24, 437,210.40 and 180,859.78

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Solution

The fourth proportional to 316,831.24, 437,210.40 and 180,859.78 is: 249,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,831.24 : 437,210.40 = 180,859.78 : x
  2. Step 2: Convert to fraction form
    316,831.24/437,210.40 = 180,859.78/x
  3. Step 3: Cross multiply
    316,831.24x = 437,210.40 × 180,859.78
  4. Step 4: Simplify right side
    316,831.24x = 79,073,776,757.71
  5. Step 5: Solve for x
    x = 79,073,776,757.71/316,831.24
  6. Step 6: Final answer
    x = 249,576.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.