Home / 315,037.30-472,555.95-115,364.20

Finding the Fourth Proportional to 315,037.30, 472,555.95 and 115,364.20

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Solution

The fourth proportional to 315,037.30, 472,555.95 and 115,364.20 is: 173,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,037.30 : 472,555.95 = 115,364.20 : x
  2. Step 2: Convert to fraction form
    315,037.30/472,555.95 = 115,364.20/x
  3. Step 3: Cross multiply
    315,037.30x = 472,555.95 × 115,364.20
  4. Step 4: Simplify right side
    315,037.30x = 54,516,039,126.99
  5. Step 5: Solve for x
    x = 54,516,039,126.99/315,037.30
  6. Step 6: Final answer
    x = 173,046.30

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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.