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Finding the Fourth Proportional to 304,687.35, 457,073.55 and 127,153.67

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Solution

The fourth proportional to 304,687.35, 457,073.55 and 127,153.67 is: 190,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,687.35 : 457,073.55 = 127,153.67 : x
  2. Step 2: Convert to fraction form
    304,687.35/457,073.55 = 127,153.67/x
  3. Step 3: Cross multiply
    304,687.35x = 457,073.55 × 127,153.67
  4. Step 4: Simplify right side
    304,687.35x = 58,118,577,057.06
  5. Step 5: Solve for x
    x = 58,118,577,057.06/304,687.35
  6. Step 6: Final answer
    x = 190,748.24

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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.