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Finding the Fourth Proportional to 542,247.61, 812,572.16 and 302,030.82

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Solution

The fourth proportional to 542,247.61, 812,572.16 and 302,030.82 is: 452,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,247.61 : 812,572.16 = 302,030.82 : x
  2. Step 2: Convert to fraction form
    542,247.61/812,572.16 = 302,030.82/x
  3. Step 3: Cross multiply
    542,247.61x = 812,572.16 × 302,030.82
  4. Step 4: Simplify right side
    542,247.61x = 245,421,835,793.97
  5. Step 5: Solve for x
    x = 245,421,835,793.97/542,247.61
  6. Step 6: Final answer
    x = 452,601.05

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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.