Home / 304,736.85-457,178.31-127,145.16

Finding the Fourth Proportional to 304,736.85, 457,178.31 and 127,145.16

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Solution

The fourth proportional to 304,736.85, 457,178.31 and 127,145.16 is: 190,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,736.85 : 457,178.31 = 127,145.16 : x
  2. Step 2: Convert to fraction form
    304,736.85/457,178.31 = 127,145.16/x
  3. Step 3: Cross multiply
    304,736.85x = 457,178.31 × 127,145.16
  4. Step 4: Simplify right side
    304,736.85x = 58,128,009,373.48
  5. Step 5: Solve for x
    x = 58,128,009,373.48/304,736.85
  6. Step 6: Final answer
    x = 190,748.21

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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.