Home / 314,949.40-472,452.90-127,922.20

Finding the Fourth Proportional to 314,949.40, 472,452.90 and 127,922.20

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Solution

The fourth proportional to 314,949.40, 472,452.90 and 127,922.20 is: 191,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,949.40 : 472,452.90 = 127,922.20 : x
  2. Step 2: Convert to fraction form
    314,949.40/472,452.90 = 127,922.20/x
  3. Step 3: Cross multiply
    314,949.40x = 472,452.90 × 127,922.20
  4. Step 4: Simplify right side
    314,949.40x = 60,437,214,364.38
  5. Step 5: Solve for x
    x = 60,437,214,364.38/314,949.40
  6. Step 6: Final answer
    x = 191,895.00

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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.