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Finding the Fourth Proportional to 240,549.72, 360,430.56 and 128,110.56

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Solution

The fourth proportional to 240,549.72, 360,430.56 and 128,110.56 is: 191,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,549.72 : 360,430.56 = 128,110.56 : x
  2. Step 2: Convert to fraction form
    240,549.72/360,430.56 = 128,110.56/x
  3. Step 3: Cross multiply
    240,549.72x = 360,430.56 × 128,110.56
  4. Step 4: Simplify right side
    240,549.72x = 46,174,960,882.71
  5. Step 5: Solve for x
    x = 46,174,960,882.71/240,549.72
  6. Step 6: Final answer
    x = 191,956.00

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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.