Home / 398,069.10-549,299.21-236,898.14

Finding the Fourth Proportional to 398,069.10, 549,299.21 and 236,898.14

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Solution

The fourth proportional to 398,069.10, 549,299.21 and 236,898.14 is: 326,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,069.10 : 549,299.21 = 236,898.14 : x
  2. Step 2: Convert to fraction form
    398,069.10/549,299.21 = 236,898.14/x
  3. Step 3: Cross multiply
    398,069.10x = 549,299.21 × 236,898.14
  4. Step 4: Simplify right side
    398,069.10x = 130,127,957,221.48
  5. Step 5: Solve for x
    x = 130,127,957,221.48/398,069.10
  6. Step 6: Final answer
    x = 326,897.91

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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.