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Finding the Fourth Proportional to 302,421.60, 453,632.40 and 124,869.60

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Solution

The fourth proportional to 302,421.60, 453,632.40 and 124,869.60 is: 187,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,421.60 : 453,632.40 = 124,869.60 : x
  2. Step 2: Convert to fraction form
    302,421.60/453,632.40 = 124,869.60/x
  3. Step 3: Cross multiply
    302,421.60x = 453,632.40 × 124,869.60
  4. Step 4: Simplify right side
    302,421.60x = 56,644,896,335.04
  5. Step 5: Solve for x
    x = 56,644,896,335.04/302,421.60
  6. Step 6: Final answer
    x = 187,304.40

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1.5x scale

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.