Home / 224,974.68-310,484.26-128,208.13

Finding the Fourth Proportional to 224,974.68, 310,484.26 and 128,208.13

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Solution

The fourth proportional to 224,974.68, 310,484.26 and 128,208.13 is: 176,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,974.68 : 310,484.26 = 128,208.13 : x
  2. Step 2: Convert to fraction form
    224,974.68/310,484.26 = 128,208.13/x
  3. Step 3: Cross multiply
    224,974.68x = 310,484.26 × 128,208.13
  4. Step 4: Simplify right side
    224,974.68x = 39,806,605,272.30
  5. Step 5: Solve for x
    x = 39,806,605,272.30/224,974.68
  6. Step 6: Final answer
    x = 176,938.16

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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.