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Finding the Fourth Proportional to 249,630.60, 374,445.90 and 220,106.10

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Solution

The fourth proportional to 249,630.60, 374,445.90 and 220,106.10 is: 330,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,630.60 : 374,445.90 = 220,106.10 : x
  2. Step 2: Convert to fraction form
    249,630.60/374,445.90 = 220,106.10/x
  3. Step 3: Cross multiply
    249,630.60x = 374,445.90 × 220,106.10
  4. Step 4: Simplify right side
    249,630.60x = 82,417,826,709.99
  5. Step 5: Solve for x
    x = 82,417,826,709.99/249,630.60
  6. Step 6: Final answer
    x = 330,159.15

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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.