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Finding the Fourth Proportional to 191,424.08, 286,433.92 and 159,755.92

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Solution

The fourth proportional to 191,424.08, 286,433.92 and 159,755.92 is: 239,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,424.08 : 286,433.92 = 159,755.92 : x
  2. Step 2: Convert to fraction form
    191,424.08/286,433.92 = 159,755.92/x
  3. Step 3: Cross multiply
    191,424.08x = 286,433.92 × 159,755.92
  4. Step 4: Simplify right side
    191,424.08x = 45,759,514,408.81
  5. Step 5: Solve for x
    x = 45,759,514,408.81/191,424.08
  6. Step 6: Final answer
    x = 239,047.85

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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.