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Finding the Fourth Proportional to 608,002.60, 912,090.30 and 187,234.60

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Solution

The fourth proportional to 608,002.60, 912,090.30 and 187,234.60 is: 280,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,002.60 : 912,090.30 = 187,234.60 : x
  2. Step 2: Convert to fraction form
    608,002.60/912,090.30 = 187,234.60/x
  3. Step 3: Cross multiply
    608,002.60x = 912,090.30 × 187,234.60
  4. Step 4: Simplify right side
    608,002.60x = 170,774,862,484.38
  5. Step 5: Solve for x
    x = 170,774,862,484.38/608,002.60
  6. Step 6: Final answer
    x = 280,878.51

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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.