Home / 249,628.10-374,442.15-220,103.60

Finding the Fourth Proportional to 249,628.10, 374,442.15 and 220,103.60

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Solution

The fourth proportional to 249,628.10, 374,442.15 and 220,103.60 is: 330,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,628.10 : 374,442.15 = 220,103.60 : x
  2. Step 2: Convert to fraction form
    249,628.10/374,442.15 = 220,103.60/x
  3. Step 3: Cross multiply
    249,628.10x = 374,442.15 × 220,103.60
  4. Step 4: Simplify right side
    249,628.10x = 82,416,065,206.74
  5. Step 5: Solve for x
    x = 82,416,065,206.74/249,628.10
  6. Step 6: Final answer
    x = 330,155.40

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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.