Finding the Fourth Proportional to 98,972.18, 148,490.84 and 65,822.66
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Solution
The fourth proportional to 98,972.18, 148,490.84 and 65,822.66 is: 98,755.65
Step by Step Solution
- Step 1: Write the proportion equation
98,972.18 : 148,490.84 = 65,822.66 : x - Step 2: Convert to fraction form
98,972.18/148,490.84 = 65,822.66/x - Step 3: Cross multiply
98,972.18x = 148,490.84 × 65,822.66 - Step 4: Simplify right side
98,972.18x = 9,774,062,074.43 - Step 5: Solve for x
x = 9,774,062,074.43/98,972.18 - Step 6: Final answer
x = 98,755.65
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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.