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Finding the Fourth Proportional to 249,511.80, 374,267.70 and 91,707.60

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Solution

The fourth proportional to 249,511.80, 374,267.70 and 91,707.60 is: 137,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,511.80 : 374,267.70 = 91,707.60 : x
  2. Step 2: Convert to fraction form
    249,511.80/374,267.70 = 91,707.60/x
  3. Step 3: Cross multiply
    249,511.80x = 374,267.70 × 91,707.60
  4. Step 4: Simplify right side
    249,511.80x = 34,323,192,524.52
  5. Step 5: Solve for x
    x = 34,323,192,524.52/249,511.80
  6. Step 6: Final answer
    x = 137,561.40

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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.