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Finding the Fourth Proportional to 249,086.40, 373,726.80 and 91,330.80

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Solution

The fourth proportional to 249,086.40, 373,726.80 and 91,330.80 is: 137,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,086.40 : 373,726.80 = 91,330.80 : x
  2. Step 2: Convert to fraction form
    249,086.40/373,726.80 = 91,330.80/x
  3. Step 3: Cross multiply
    249,086.40x = 373,726.80 × 91,330.80
  4. Step 4: Simplify right side
    249,086.40x = 34,132,767,625.44
  5. Step 5: Solve for x
    x = 34,132,767,625.44/249,086.40
  6. Step 6: Final answer
    x = 137,031.84

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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.