Finding the Fourth Proportional to 98,996.40, 148,497.84 and 28,869.84
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Solution
The fourth proportional to 98,996.40, 148,497.84 and 28,869.84 is: 43,305.70
Step by Step Solution
- Step 1: Write the proportion equation
98,996.40 : 148,497.84 = 28,869.84 : x - Step 2: Convert to fraction form
98,996.40/148,497.84 = 28,869.84/x - Step 3: Cross multiply
98,996.40x = 148,497.84 × 28,869.84 - Step 4: Simplify right side
98,996.40x = 4,287,108,881.15 - Step 5: Solve for x
x = 4,287,108,881.15/98,996.40 - Step 6: Final answer
x = 43,305.70
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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.