Home / 374,549.04-561,879.50-137,873.72

Finding the Fourth Proportional to 374,549.04, 561,879.50 and 137,873.72

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Solution

The fourth proportional to 374,549.04, 561,879.50 and 137,873.72 is: 206,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,549.04 : 561,879.50 = 137,873.72 : x
  2. Step 2: Convert to fraction form
    374,549.04/561,879.50 = 137,873.72/x
  3. Step 3: Cross multiply
    374,549.04x = 561,879.50 × 137,873.72
  4. Step 4: Simplify right side
    374,549.04x = 77,468,417,572.07
  5. Step 5: Solve for x
    x = 77,468,417,572.07/374,549.04
  6. Step 6: Final answer
    x = 206,831.17

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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.