Home / 318,113.02-439,006.65-187,267.06

Finding the Fourth Proportional to 318,113.02, 439,006.65 and 187,267.06

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Solution

The fourth proportional to 318,113.02, 439,006.65 and 187,267.06 is: 258,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,113.02 : 439,006.65 = 187,267.06 : x
  2. Step 2: Convert to fraction form
    318,113.02/439,006.65 = 187,267.06/x
  3. Step 3: Cross multiply
    318,113.02x = 439,006.65 × 187,267.06
  4. Step 4: Simplify right side
    318,113.02x = 82,211,483,096.42
  5. Step 5: Solve for x
    x = 82,211,483,096.42/318,113.02
  6. Step 6: Final answer
    x = 258,434.83

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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.