Home / 372,446.08-513,974.64-202,680.16

Finding the Fourth Proportional to 372,446.08, 513,974.64 and 202,680.16

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Solution

The fourth proportional to 372,446.08, 513,974.64 and 202,680.16 is: 279,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,446.08 : 513,974.64 = 202,680.16 : x
  2. Step 2: Convert to fraction form
    372,446.08/513,974.64 = 202,680.16/x
  3. Step 3: Cross multiply
    372,446.08x = 513,974.64 × 202,680.16
  4. Step 4: Simplify right side
    372,446.08x = 104,172,462,271.14
  5. Step 5: Solve for x
    x = 104,172,462,271.14/372,446.08
  6. Step 6: Final answer
    x = 279,698.10

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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.