Home / 220,831.29-304,441.07-149,097.69

Finding the Fourth Proportional to 220,831.29, 304,441.07 and 149,097.69

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Solution

The fourth proportional to 220,831.29, 304,441.07 and 149,097.69 is: 205,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,831.29 : 304,441.07 = 149,097.69 : x
  2. Step 2: Convert to fraction form
    220,831.29/304,441.07 = 149,097.69/x
  3. Step 3: Cross multiply
    220,831.29x = 304,441.07 × 149,097.69
  4. Step 4: Simplify right side
    220,831.29x = 45,391,459,532.64
  5. Step 5: Solve for x
    x = 45,391,459,532.64/220,831.29
  6. Step 6: Final answer
    x = 205,548.13

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1.5x scale

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.