Finding the Fourth Proportional to 98,510.99, 147,781.08 and 36,176.63
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Solution
The fourth proportional to 98,510.99, 147,781.08 and 36,176.63 is: 54,270.30
Step by Step Solution
- Step 1: Write the proportion equation
98,510.99 : 147,781.08 = 36,176.63 : x - Step 2: Convert to fraction form
98,510.99/147,781.08 = 36,176.63/x - Step 3: Cross multiply
98,510.99x = 147,781.08 × 36,176.63 - Step 4: Simplify right side
98,510.99x = 5,346,220,713.26 - Step 5: Solve for x
x = 5,346,220,713.26/98,510.99 - Step 6: Final answer
x = 54,270.30
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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.