Home / 318,985.49-479,024.26-213,050.18

Finding the Fourth Proportional to 318,985.49, 479,024.26 and 213,050.18

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Solution

The fourth proportional to 318,985.49, 479,024.26 and 213,050.18 is: 319,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,985.49 : 479,024.26 = 213,050.18 : x
  2. Step 2: Convert to fraction form
    318,985.49/479,024.26 = 213,050.18/x
  3. Step 3: Cross multiply
    318,985.49x = 479,024.26 × 213,050.18
  4. Step 4: Simplify right side
    318,985.49x = 102,056,205,482.30
  5. Step 5: Solve for x
    x = 102,056,205,482.30/318,985.49
  6. Step 6: Final answer
    x = 319,939.96

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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.