Home / 370,127.31-555,195.51-130,248.37

Finding the Fourth Proportional to 370,127.31, 555,195.51 and 130,248.37

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Solution

The fourth proportional to 370,127.31, 555,195.51 and 130,248.37 is: 195,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,127.31 : 555,195.51 = 130,248.37 : x
  2. Step 2: Convert to fraction form
    370,127.31/555,195.51 = 130,248.37/x
  3. Step 3: Cross multiply
    370,127.31x = 555,195.51 × 130,248.37
  4. Step 4: Simplify right side
    370,127.31x = 72,313,310,208.82
  5. Step 5: Solve for x
    x = 72,313,310,208.82/370,127.31
  6. Step 6: Final answer
    x = 195,374.15

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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.