Finding the Fourth Proportional to 178,909.97, 268,397.35 and 73,671.53
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Solution
The fourth proportional to 178,909.97, 268,397.35 and 73,671.53 is: 110,520.63
Step by Step Solution
- Step 1: Write the proportion equation
178,909.97 : 268,397.35 = 73,671.53 : x - Step 2: Convert to fraction form
178,909.97/268,397.35 = 73,671.53/x - Step 3: Cross multiply
178,909.97x = 268,397.35 × 73,671.53 - Step 4: Simplify right side
178,909.97x = 19,773,241,896.28 - Step 5: Solve for x
x = 19,773,241,896.28/178,909.97 - Step 6: Final answer
x = 110,520.63
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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.