Home / 389,170.08-537,047.55-219,404.34

Finding the Fourth Proportional to 389,170.08, 537,047.55 and 219,404.34

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Solution

The fourth proportional to 389,170.08, 537,047.55 and 219,404.34 is: 302,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,170.08 : 537,047.55 = 219,404.34 : x
  2. Step 2: Convert to fraction form
    389,170.08/537,047.55 = 219,404.34/x
  3. Step 3: Cross multiply
    389,170.08x = 537,047.55 × 219,404.34
  4. Step 4: Simplify right side
    389,170.08x = 117,830,563,256.37
  5. Step 5: Solve for x
    x = 117,830,563,256.37/389,170.08
  6. Step 6: Final answer
    x = 302,773.95

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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.