Home / 397,835.10-549,026.93-216,538.27

Finding the Fourth Proportional to 397,835.10, 549,026.93 and 216,538.27

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Solution

The fourth proportional to 397,835.10, 549,026.93 and 216,538.27 is: 298,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,835.10 : 549,026.93 = 216,538.27 : x
  2. Step 2: Convert to fraction form
    397,835.10/549,026.93 = 216,538.27/x
  3. Step 3: Cross multiply
    397,835.10x = 549,026.93 × 216,538.27
  4. Step 4: Simplify right side
    397,835.10x = 118,885,339,556.36
  5. Step 5: Solve for x
    x = 118,885,339,556.36/397,835.10
  6. Step 6: Final answer
    x = 298,830.70

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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.