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Finding the Fourth Proportional to 203,437.70, 304,864.95 and 149,710.40

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Solution

The fourth proportional to 203,437.70, 304,864.95 and 149,710.40 is: 224,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,437.70 : 304,864.95 = 149,710.40 : x
  2. Step 2: Convert to fraction form
    203,437.70/304,864.95 = 149,710.40/x
  3. Step 3: Cross multiply
    203,437.70x = 304,864.95 × 149,710.40
  4. Step 4: Simplify right side
    203,437.70x = 45,641,453,610.48
  5. Step 5: Solve for x
    x = 45,641,453,610.48/203,437.70
  6. Step 6: Final answer
    x = 224,351.01

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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.