Home / 249,630.80-344,550.36-142,227.20

Finding the Fourth Proportional to 249,630.80, 344,550.36 and 142,227.20

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Solution

The fourth proportional to 249,630.80, 344,550.36 and 142,227.20 is: 196,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,630.80 : 344,550.36 = 142,227.20 : x
  2. Step 2: Convert to fraction form
    249,630.80/344,550.36 = 142,227.20/x
  3. Step 3: Cross multiply
    249,630.80x = 344,550.36 × 142,227.20
  4. Step 4: Simplify right side
    249,630.80x = 49,004,432,961.79
  5. Step 5: Solve for x
    x = 49,004,432,961.79/249,630.80
  6. Step 6: Final answer
    x = 196,307.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.