Finding the Fourth Proportional to 162,454.12, 243,494.58 and 101,691.68
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Solution
The fourth proportional to 162,454.12, 243,494.58 and 101,691.68 is: 152,420.71
Step by Step Solution
- Step 1: Write the proportion equation
162,454.12 : 243,494.58 = 101,691.68 : x - Step 2: Convert to fraction form
162,454.12/243,494.58 = 101,691.68/x - Step 3: Cross multiply
162,454.12x = 243,494.58 × 101,691.68 - Step 4: Simplify right side
162,454.12x = 24,761,372,911.09 - Step 5: Solve for x
x = 24,761,372,911.09/162,454.12 - Step 6: Final answer
x = 152,420.71
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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.