Home / 545,886.03-818,829.05-213,228.75

Finding the Fourth Proportional to 545,886.03, 818,829.05 and 213,228.75

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Solution

The fourth proportional to 545,886.03, 818,829.05 and 213,228.75 is: 319,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,886.03 : 818,829.05 = 213,228.75 : x
  2. Step 2: Convert to fraction form
    545,886.03/818,829.05 = 213,228.75/x
  3. Step 3: Cross multiply
    545,886.03x = 818,829.05 × 213,228.75
  4. Step 4: Simplify right side
    545,886.03x = 174,597,893,729.04
  5. Step 5: Solve for x
    x = 174,597,893,729.04/545,886.03
  6. Step 6: Final answer
    x = 319,843.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.