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Finding the Fourth Proportional to 240,527.72, 360,397.56 and 128,088.56

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Solution

The fourth proportional to 240,527.72, 360,397.56 and 128,088.56 is: 191,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,527.72 : 360,397.56 = 128,088.56 : x
  2. Step 2: Convert to fraction form
    240,527.72/360,397.56 = 128,088.56/x
  3. Step 3: Cross multiply
    240,527.72x = 360,397.56 × 128,088.56
  4. Step 4: Simplify right side
    240,527.72x = 46,162,804,487.91
  5. Step 5: Solve for x
    x = 46,162,804,487.91/240,527.72
  6. Step 6: Final answer
    x = 191,923.01

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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.