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Finding the Fourth Proportional to 249,470.60, 374,205.90 and 219,946.10

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Solution

The fourth proportional to 249,470.60, 374,205.90 and 219,946.10 is: 329,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,470.60 : 374,205.90 = 219,946.10 : x
  2. Step 2: Convert to fraction form
    249,470.60/374,205.90 = 219,946.10/x
  3. Step 3: Cross multiply
    249,470.60x = 374,205.90 × 219,946.10
  4. Step 4: Simplify right side
    249,470.60x = 82,305,128,301.99
  5. Step 5: Solve for x
    x = 82,305,128,301.99/249,470.60
  6. Step 6: Final answer
    x = 329,919.15

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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.