Home / 385,040.33-577,422.25-148,264.01

Finding the Fourth Proportional to 385,040.33, 577,422.25 and 148,264.01

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Solution

The fourth proportional to 385,040.33, 577,422.25 and 148,264.01 is: 222,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,040.33 : 577,422.25 = 148,264.01 : x
  2. Step 2: Convert to fraction form
    385,040.33/577,422.25 = 148,264.01/x
  3. Step 3: Cross multiply
    385,040.33x = 577,422.25 × 148,264.01
  4. Step 4: Simplify right side
    385,040.33x = 85,610,938,248.22
  5. Step 5: Solve for x
    x = 85,610,938,248.22/385,040.33
  6. Step 6: Final answer
    x = 222,342.78

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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.