Home / 249,626.10-374,439.15-220,101.60

Finding the Fourth Proportional to 249,626.10, 374,439.15 and 220,101.60

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Solution

The fourth proportional to 249,626.10, 374,439.15 and 220,101.60 is: 330,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,626.10 : 374,439.15 = 220,101.60 : x
  2. Step 2: Convert to fraction form
    249,626.10/374,439.15 = 220,101.60/x
  3. Step 3: Cross multiply
    249,626.10x = 374,439.15 × 220,101.60
  4. Step 4: Simplify right side
    249,626.10x = 82,414,656,017.64
  5. Step 5: Solve for x
    x = 82,414,656,017.64/249,626.10
  6. Step 6: Final answer
    x = 330,152.40

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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.