Home / 317,971.45-438,779.96-182,006.47

Finding the Fourth Proportional to 317,971.45, 438,779.96 and 182,006.47

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Solution

The fourth proportional to 317,971.45, 438,779.96 and 182,006.47 is: 251,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,971.45 : 438,779.96 = 182,006.47 : x
  2. Step 2: Convert to fraction form
    317,971.45/438,779.96 = 182,006.47/x
  3. Step 3: Cross multiply
    317,971.45x = 438,779.96 × 182,006.47
  4. Step 4: Simplify right side
    317,971.45x = 79,860,791,626.34
  5. Step 5: Solve for x
    x = 79,860,791,626.34/317,971.45
  6. Step 6: Final answer
    x = 251,157.11

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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.