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Finding the Fourth Proportional to 249,736.32, 374,233.32 and 149,779.44

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Solution

The fourth proportional to 249,736.32, 374,233.32 and 149,779.44 is: 224,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,736.32 : 374,233.32 = 149,779.44 : x
  2. Step 2: Convert to fraction form
    249,736.32/374,233.32 = 149,779.44/x
  3. Step 3: Cross multiply
    249,736.32x = 374,233.32 × 149,779.44
  4. Step 4: Simplify right side
    249,736.32x = 56,052,457,098.94
  5. Step 5: Solve for x
    x = 56,052,457,098.94/249,736.32
  6. Step 6: Final answer
    x = 224,446.56

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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.