Home / 249,478.20-374,217.30-149,945.40

Finding the Fourth Proportional to 249,478.20, 374,217.30 and 149,945.40

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Solution

The fourth proportional to 249,478.20, 374,217.30 and 149,945.40 is: 224,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,478.20 : 374,217.30 = 149,945.40 : x
  2. Step 2: Convert to fraction form
    249,478.20/374,217.30 = 149,945.40/x
  3. Step 3: Cross multiply
    249,478.20x = 374,217.30 × 149,945.40
  4. Step 4: Simplify right side
    249,478.20x = 56,112,162,735.42
  5. Step 5: Solve for x
    x = 56,112,162,735.42/249,478.20
  6. Step 6: Final answer
    x = 224,918.10

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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.