Home / 372,398.13-513,907.07-202,632.93

Finding the Fourth Proportional to 372,398.13, 513,907.07 and 202,632.93

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Solution

The fourth proportional to 372,398.13, 513,907.07 and 202,632.93 is: 279,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,398.13 : 513,907.07 = 202,632.93 : x
  2. Step 2: Convert to fraction form
    372,398.13/513,907.07 = 202,632.93/x
  3. Step 3: Cross multiply
    372,398.13x = 513,907.07 × 202,632.93
  4. Step 4: Simplify right side
    372,398.13x = 104,134,494,328.65
  5. Step 5: Solve for x
    x = 104,134,494,328.65/372,398.13
  6. Step 6: Final answer
    x = 279,632.16

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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.