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Finding the Fourth Proportional to 225,239.04, 310,832.64 and 124,646.40

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Solution

The fourth proportional to 225,239.04, 310,832.64 and 124,646.40 is: 172,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,239.04 : 310,832.64 = 124,646.40 : x
  2. Step 2: Convert to fraction form
    225,239.04/310,832.64 = 124,646.40/x
  3. Step 3: Cross multiply
    225,239.04x = 310,832.64 × 124,646.40
  4. Step 4: Simplify right side
    225,239.04x = 38,744,169,578.50
  5. Step 5: Solve for x
    x = 38,744,169,578.50/225,239.04
  6. Step 6: Final answer
    x = 172,013.56

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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.