Finding the Fourth Proportional to 156,818.18, 216,393.48 and 88,821.62
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Solution
The fourth proportional to 156,818.18, 216,393.48 and 88,821.62 is: 122,565.00
Step by Step Solution
- Step 1: Write the proportion equation
156,818.18 : 216,393.48 = 88,821.62 : x - Step 2: Convert to fraction form
156,818.18/216,393.48 = 88,821.62/x - Step 3: Cross multiply
156,818.18x = 216,393.48 × 88,821.62 - Step 4: Simplify right side
156,818.18x = 19,220,419,451.04 - Step 5: Solve for x
x = 19,220,419,451.04/156,818.18 - Step 6: Final answer
x = 122,565.00
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1.5x scale
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.