Finding the Fourth Proportional to 103,552.29, 155,387.43 and 40,364.19
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Solution
The fourth proportional to 103,552.29, 155,387.43 and 40,364.19 is: 60,569.28
Step by Step Solution
- Step 1: Write the proportion equation
103,552.29 : 155,387.43 = 40,364.19 : x - Step 2: Convert to fraction form
103,552.29/155,387.43 = 40,364.19/x - Step 3: Cross multiply
103,552.29x = 155,387.43 × 40,364.19 - Step 4: Simplify right side
103,552.29x = 6,272,087,748.13 - Step 5: Solve for x
x = 6,272,087,748.13/103,552.29 - Step 6: Final answer
x = 60,569.28
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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.