Home / 398,250.34-549,583.29-216,961.83

Finding the Fourth Proportional to 398,250.34, 549,583.29 and 216,961.83

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Solution

The fourth proportional to 398,250.34, 549,583.29 and 216,961.83 is: 299,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,250.34 : 549,583.29 = 216,961.83 : x
  2. Step 2: Convert to fraction form
    398,250.34/549,583.29 = 216,961.83/x
  3. Step 3: Cross multiply
    398,250.34x = 549,583.29 × 216,961.83
  4. Step 4: Simplify right side
    398,250.34x = 119,238,596,335.82
  5. Step 5: Solve for x
    x = 119,238,596,335.82/398,250.34
  6. Step 6: Final answer
    x = 299,406.14

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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.