Home / 249,687.40-374,531.10-109,719.40

Finding the Fourth Proportional to 249,687.40, 374,531.10 and 109,719.40

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Solution

The fourth proportional to 249,687.40, 374,531.10 and 109,719.40 is: 164,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,687.40 : 374,531.10 = 109,719.40 : x
  2. Step 2: Convert to fraction form
    249,687.40/374,531.10 = 109,719.40/x
  3. Step 3: Cross multiply
    249,687.40x = 374,531.10 × 109,719.40
  4. Step 4: Simplify right side
    249,687.40x = 41,093,327,573.34
  5. Step 5: Solve for x
    x = 41,093,327,573.34/249,687.40
  6. Step 6: Final answer
    x = 164,579.10

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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.