Home / 318,028.32-477,064.56-107,595.12

Finding the Fourth Proportional to 318,028.32, 477,064.56 and 107,595.12

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Solution

The fourth proportional to 318,028.32, 477,064.56 and 107,595.12 is: 161,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,028.32 : 477,064.56 = 107,595.12 : x
  2. Step 2: Convert to fraction form
    318,028.32/477,064.56 = 107,595.12/x
  3. Step 3: Cross multiply
    318,028.32x = 477,064.56 × 107,595.12
  4. Step 4: Simplify right side
    318,028.32x = 51,329,818,580.95
  5. Step 5: Solve for x
    x = 51,329,818,580.95/318,028.32
  6. Step 6: Final answer
    x = 161,400.15

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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.