Home / 372,236.32-513,670.57-219,280.78

Finding the Fourth Proportional to 372,236.32, 513,670.57 and 219,280.78

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Solution

The fourth proportional to 372,236.32, 513,670.57 and 219,280.78 is: 302,598.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,236.32 : 513,670.57 = 219,280.78 : x
  2. Step 2: Convert to fraction form
    372,236.32/513,670.57 = 219,280.78/x
  3. Step 3: Cross multiply
    372,236.32x = 513,670.57 × 219,280.78
  4. Step 4: Simplify right side
    372,236.32x = 112,638,083,252.65
  5. Step 5: Solve for x
    x = 112,638,083,252.65/372,236.32
  6. Step 6: Final answer
    x = 302,598.32

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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.