Finding the Fourth Proportional to 176,766.13, 243,937.29 and 97,278.13
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Solution
The fourth proportional to 176,766.13, 243,937.29 and 97,278.13 is: 134,243.83
Step by Step Solution
- Step 1: Write the proportion equation
176,766.13 : 243,937.29 = 97,278.13 : x - Step 2: Convert to fraction form
176,766.13/243,937.29 = 97,278.13/x - Step 3: Cross multiply
176,766.13x = 243,937.29 × 97,278.13 - Step 4: Simplify right side
176,766.13x = 23,729,762,431.98 - Step 5: Solve for x
x = 23,729,762,431.98/176,766.13 - Step 6: Final answer
x = 134,243.83
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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.