Home / 372,547.32-514,101.03-211,392.75

Finding the Fourth Proportional to 372,547.32, 514,101.03 and 211,392.75

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Solution

The fourth proportional to 372,547.32, 514,101.03 and 211,392.75 is: 291,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,547.32 : 514,101.03 = 211,392.75 : x
  2. Step 2: Convert to fraction form
    372,547.32/514,101.03 = 211,392.75/x
  3. Step 3: Cross multiply
    372,547.32x = 514,101.03 × 211,392.75
  4. Step 4: Simplify right side
    372,547.32x = 108,677,231,644.69
  5. Step 5: Solve for x
    x = 108,677,231,644.69/372,547.32
  6. Step 6: Final answer
    x = 291,713.90

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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.