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Finding the Fourth Proportional to 175,658.64, 263,529.95 and 57,330.20

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Solution

The fourth proportional to 175,658.64, 263,529.95 and 57,330.20 is: 86,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,658.64 : 263,529.95 = 57,330.20 : x
  2. Step 2: Convert to fraction form
    175,658.64/263,529.95 = 57,330.20/x
  3. Step 3: Cross multiply
    175,658.64x = 263,529.95 × 57,330.20
  4. Step 4: Simplify right side
    175,658.64x = 15,108,223,135.19
  5. Step 5: Solve for x
    x = 15,108,223,135.19/175,658.64
  6. Step 6: Final answer
    x = 86,009.00

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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.