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Finding the Fourth Proportional to 456,601.32, 630,113.18 and 275,277.15

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Solution

The fourth proportional to 456,601.32, 630,113.18 and 275,277.15 is: 379,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,601.32 : 630,113.18 = 275,277.15 : x
  2. Step 2: Convert to fraction form
    456,601.32/630,113.18 = 275,277.15/x
  3. Step 3: Cross multiply
    456,601.32x = 630,113.18 × 275,277.15
  4. Step 4: Simplify right side
    456,601.32x = 173,455,758,991.45
  5. Step 5: Solve for x
    x = 173,455,758,991.45/456,601.32
  6. Step 6: Final answer
    x = 379,884.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.