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Finding the Fourth Proportional to 249,522.99, 374,432.71 and 91,862.16

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Solution

The fourth proportional to 249,522.99, 374,432.71 and 91,862.16 is: 137,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,522.99 : 374,432.71 = 91,862.16 : x
  2. Step 2: Convert to fraction form
    249,522.99/374,432.71 = 91,862.16/x
  3. Step 3: Cross multiply
    249,522.99x = 374,432.71 × 91,862.16
  4. Step 4: Simplify right side
    249,522.99x = 34,396,197,515.25
  5. Step 5: Solve for x
    x = 34,396,197,515.25/249,522.99
  6. Step 6: Final answer
    x = 137,847.81

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1.5x scale

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.