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Finding the Fourth Proportional to 457,011.36, 685,549.08 and 141,426.72

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Solution

The fourth proportional to 457,011.36, 685,549.08 and 141,426.72 is: 212,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,011.36 : 685,549.08 = 141,426.72 : x
  2. Step 2: Convert to fraction form
    457,011.36/685,549.08 = 141,426.72/x
  3. Step 3: Cross multiply
    457,011.36x = 685,549.08 × 141,426.72
  4. Step 4: Simplify right side
    457,011.36x = 96,954,957,783.42
  5. Step 5: Solve for x
    x = 96,954,957,783.42/457,011.36
  6. Step 6: Final answer
    x = 212,150.00

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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.