Home / 249,788.40-374,588.56-81,264.64

Finding the Fourth Proportional to 249,788.40, 374,588.56 and 81,264.64

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Solution

The fourth proportional to 249,788.40, 374,588.56 and 81,264.64 is: 121,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,788.40 : 374,588.56 = 81,264.64 : x
  2. Step 2: Convert to fraction form
    249,788.40/374,588.56 = 81,264.64/x
  3. Step 3: Cross multiply
    249,788.40x = 374,588.56 × 81,264.64
  4. Step 4: Simplify right side
    249,788.40x = 30,440,804,476.52
  5. Step 5: Solve for x
    x = 30,440,804,476.52/249,788.40
  6. Step 6: Final answer
    x = 121,866.37

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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.