Finding the Fourth Proportional to 158,402.29, 218,595.15 and 94,755.13
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Solution
The fourth proportional to 158,402.29, 218,595.15 and 94,755.13 is: 130,762.07
Step by Step Solution
- Step 1: Write the proportion equation
158,402.29 : 218,595.15 = 94,755.13 : x - Step 2: Convert to fraction form
158,402.29/218,595.15 = 94,755.13/x - Step 3: Cross multiply
158,402.29x = 218,595.15 × 94,755.13 - Step 4: Simplify right side
158,402.29x = 20,713,011,855.62 - Step 5: Solve for x
x = 20,713,011,855.62/158,402.29 - Step 6: Final answer
x = 130,762.07
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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.