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Finding the Fourth Proportional to 303,800.13, 455,707.47 and 93,439.89

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Solution

The fourth proportional to 303,800.13, 455,707.47 and 93,439.89 is: 140,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,800.13 : 455,707.47 = 93,439.89 : x
  2. Step 2: Convert to fraction form
    303,800.13/455,707.47 = 93,439.89/x
  3. Step 3: Cross multiply
    303,800.13x = 455,707.47 × 93,439.89
  4. Step 4: Simplify right side
    303,800.13x = 42,581,255,868.98
  5. Step 5: Solve for x
    x = 42,581,255,868.98/303,800.13
  6. Step 6: Final answer
    x = 140,162.07

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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.