Home / 605,204.32-907,831.53-178,740.23

Finding the Fourth Proportional to 605,204.32, 907,831.53 and 178,740.23

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Solution

The fourth proportional to 605,204.32, 907,831.53 and 178,740.23 is: 268,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,204.32 : 907,831.53 = 178,740.23 : x
  2. Step 2: Convert to fraction form
    605,204.32/907,831.53 = 178,740.23/x
  3. Step 3: Cross multiply
    605,204.32x = 907,831.53 × 178,740.23
  4. Step 4: Simplify right side
    605,204.32x = 162,266,016,473.45
  5. Step 5: Solve for x
    x = 162,266,016,473.45/605,204.32
  6. Step 6: Final answer
    x = 268,117.74

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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.