Home / 249,628.20-344,446.62-142,200.30

Finding the Fourth Proportional to 249,628.20, 344,446.62 and 142,200.30

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Solution

The fourth proportional to 249,628.20, 344,446.62 and 142,200.30 is: 196,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,628.20 : 344,446.62 = 142,200.30 : x
  2. Step 2: Convert to fraction form
    249,628.20/344,446.62 = 142,200.30/x
  3. Step 3: Cross multiply
    249,628.20x = 344,446.62 × 142,200.30
  4. Step 4: Simplify right side
    249,628.20x = 48,980,412,697.99
  5. Step 5: Solve for x
    x = 48,980,412,697.99/249,628.20
  6. Step 6: Final answer
    x = 196,213.46

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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.