Home / 398,048.03-549,300.85-225,964.50

Finding the Fourth Proportional to 398,048.03, 549,300.85 and 225,964.50

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Solution

The fourth proportional to 398,048.03, 549,300.85 and 225,964.50 is: 311,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,048.03 : 549,300.85 = 225,964.50 : x
  2. Step 2: Convert to fraction form
    398,048.03/549,300.85 = 225,964.50/x
  3. Step 3: Cross multiply
    398,048.03x = 549,300.85 × 225,964.50
  4. Step 4: Simplify right side
    398,048.03x = 124,122,488,043.50
  5. Step 5: Solve for x
    x = 124,122,488,043.50/398,048.03
  6. Step 6: Final answer
    x = 311,827.92

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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.