Home / 372,111.36-513,470.90-210,934.32

Finding the Fourth Proportional to 372,111.36, 513,470.90 and 210,934.32

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Solution

The fourth proportional to 372,111.36, 513,470.90 and 210,934.32 is: 291,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,111.36 : 513,470.90 = 210,934.32 : x
  2. Step 2: Convert to fraction form
    372,111.36/513,470.90 = 210,934.32/x
  3. Step 3: Cross multiply
    372,111.36x = 513,470.90 × 210,934.32
  4. Step 4: Simplify right side
    372,111.36x = 108,308,635,131.29
  5. Step 5: Solve for x
    x = 108,308,635,131.29/372,111.36
  6. Step 6: Final answer
    x = 291,065.11

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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.