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Finding the Fourth Proportional to 479,184.48, 718,700.52 and 159,309.77

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Solution

The fourth proportional to 479,184.48, 718,700.52 and 159,309.77 is: 238,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,184.48 : 718,700.52 = 159,309.77 : x
  2. Step 2: Convert to fraction form
    479,184.48/718,700.52 = 159,309.77/x
  3. Step 3: Cross multiply
    479,184.48x = 718,700.52 × 159,309.77
  4. Step 4: Simplify right side
    479,184.48x = 114,496,011,543.99
  5. Step 5: Solve for x
    x = 114,496,011,543.99/479,184.48
  6. Step 6: Final answer
    x = 238,939.32

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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.