Finding the Fourth Proportional to 359,165.18, 538,750.48 and 159,431.88
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Solution
The fourth proportional to 359,165.18, 538,750.48 and 159,431.88 is: 239,149.02
Step by Step Solution
- Step 1: Write the proportion equation
359,165.18 : 538,750.48 = 159,431.88 : x - Step 2: Convert to fraction form
359,165.18/538,750.48 = 159,431.88/x - Step 3: Cross multiply
359,165.18x = 538,750.48 × 159,431.88 - Step 4: Simplify right side
359,165.18x = 85,894,001,877.30 - Step 5: Solve for x
x = 85,894,001,877.30/359,165.18 - Step 6: Final answer
x = 239,149.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.