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Finding the Fourth Proportional to 249,512.80, 374,272.40 and 83,300.80

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Solution

The fourth proportional to 249,512.80, 374,272.40 and 83,300.80 is: 124,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,512.80 : 374,272.40 = 83,300.80 : x
  2. Step 2: Convert to fraction form
    249,512.80/374,272.40 = 83,300.80/x
  3. Step 3: Cross multiply
    249,512.80x = 374,272.40 × 83,300.80
  4. Step 4: Simplify right side
    249,512.80x = 31,177,190,337.92
  5. Step 5: Solve for x
    x = 31,177,190,337.92/249,512.80
  6. Step 6: Final answer
    x = 124,952.27

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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.