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Finding the Fourth Proportional to 249,240.80, 373,909.80 and 99,455.60

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Solution

The fourth proportional to 249,240.80, 373,909.80 and 99,455.60 is: 149,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,240.80 : 373,909.80 = 99,455.60 : x
  2. Step 2: Convert to fraction form
    249,240.80/373,909.80 = 99,455.60/x
  3. Step 3: Cross multiply
    249,240.80x = 373,909.80 × 99,455.60
  4. Step 4: Simplify right side
    249,240.80x = 37,187,423,504.88
  5. Step 5: Solve for x
    x = 37,187,423,504.88/249,240.80
  6. Step 6: Final answer
    x = 149,202.79

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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.