Home / 371,449.08-512,631.48-210,332.52

Finding the Fourth Proportional to 371,449.08, 512,631.48 and 210,332.52

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Solution

The fourth proportional to 371,449.08, 512,631.48 and 210,332.52 is: 290,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,449.08 : 512,631.48 = 210,332.52 : x
  2. Step 2: Convert to fraction form
    371,449.08/512,631.48 = 210,332.52/x
  3. Step 3: Cross multiply
    371,449.08x = 512,631.48 × 210,332.52
  4. Step 4: Simplify right side
    371,449.08x = 107,823,071,019.73
  5. Step 5: Solve for x
    x = 107,823,071,019.73/371,449.08
  6. Step 6: Final answer
    x = 290,276.86

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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.