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Finding the Fourth Proportional to 302,442.80, 453,469.80 and 125,020.40

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Solution

The fourth proportional to 302,442.80, 453,469.80 and 125,020.40 is: 187,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,442.80 : 453,469.80 = 125,020.40 : x
  2. Step 2: Convert to fraction form
    302,442.80/453,469.80 = 125,020.40/x
  3. Step 3: Cross multiply
    302,442.80x = 453,469.80 × 125,020.40
  4. Step 4: Simplify right side
    302,442.80x = 56,692,975,783.92
  5. Step 5: Solve for x
    x = 56,692,975,783.92/302,442.80
  6. Step 6: Final answer
    x = 187,450.24

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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.