Home / 397,865.04-549,052.20-216,587.04

Finding the Fourth Proportional to 397,865.04, 549,052.20 and 216,587.04

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Solution

The fourth proportional to 397,865.04, 549,052.20 and 216,587.04 is: 298,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,865.04 : 549,052.20 = 216,587.04 : x
  2. Step 2: Convert to fraction form
    397,865.04/549,052.20 = 216,587.04/x
  3. Step 3: Cross multiply
    397,865.04x = 549,052.20 × 216,587.04
  4. Step 4: Simplify right side
    397,865.04x = 118,917,590,803.49
  5. Step 5: Solve for x
    x = 118,917,590,803.49/397,865.04
  6. Step 6: Final answer
    x = 298,889.27

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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.