Finding the Fourth Proportional to 102,039.05, 153,060.12 and 38,862.68
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Solution
The fourth proportional to 102,039.05, 153,060.12 and 38,862.68 is: 58,294.60
Step by Step Solution
- Step 1: Write the proportion equation
102,039.05 : 153,060.12 = 38,862.68 : x - Step 2: Convert to fraction form
102,039.05/153,060.12 = 38,862.68/x - Step 3: Cross multiply
102,039.05x = 153,060.12 × 38,862.68 - Step 4: Simplify right side
102,039.05x = 5,948,325,699.02 - Step 5: Solve for x
x = 5,948,325,699.02/102,039.05 - Step 6: Final answer
x = 58,294.60
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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.