Home / 249,279.18-373,968.06-91,509

Finding the Fourth Proportional to 249,279.18, 373,968.06 and 91,509

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Solution

The fourth proportional to 249,279.18, 373,968.06 and 91,509 is: 137,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,279.18 : 373,968.06 = 91,509 : x
  2. Step 2: Convert to fraction form
    249,279.18/373,968.06 = 91,509/x
  3. Step 3: Cross multiply
    249,279.18x = 373,968.06 × 91,509
  4. Step 4: Simplify right side
    249,279.18x = 34,221,443,202.54
  5. Step 5: Solve for x
    x = 34,221,443,202.54/249,279.18
  6. Step 6: Final answer
    x = 137,281.59

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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.