Home / 397,864.04-549,050.82-216,586.04

Finding the Fourth Proportional to 397,864.04, 549,050.82 and 216,586.04

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Solution

The fourth proportional to 397,864.04, 549,050.82 and 216,586.04 is: 298,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,864.04 : 549,050.82 = 216,586.04 : x
  2. Step 2: Convert to fraction form
    397,864.04/549,050.82 = 216,586.04/x
  3. Step 3: Cross multiply
    397,864.04x = 549,050.82 × 216,586.04
  4. Step 4: Simplify right side
    397,864.04x = 118,916,742,862.55
  5. Step 5: Solve for x
    x = 118,916,742,862.55/397,864.04
  6. Step 6: Final answer
    x = 298,887.89

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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.