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Finding the Fourth Proportional to 315,680.42, 475,651.82 and 260,751.18

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Solution

The fourth proportional to 315,680.42, 475,651.82 and 260,751.18 is: 392,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,680.42 : 475,651.82 = 260,751.18 : x
  2. Step 2: Convert to fraction form
    315,680.42/475,651.82 = 260,751.18/x
  3. Step 3: Cross multiply
    315,680.42x = 475,651.82 × 260,751.18
  4. Step 4: Simplify right side
    315,680.42x = 124,026,773,334.15
  5. Step 5: Solve for x
    x = 124,026,773,334.15/315,680.42
  6. Step 6: Final answer
    x = 392,887.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.