Finding the Fourth Proportional to 124,877.68, 187,318.28 and 40,638.28
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Solution
The fourth proportional to 124,877.68, 187,318.28 and 40,638.28 is: 60,957.99
Step by Step Solution
- Step 1: Write the proportion equation
124,877.68 : 187,318.28 = 40,638.28 : x - Step 2: Convert to fraction form
124,877.68/187,318.28 = 40,638.28/x - Step 3: Cross multiply
124,877.68x = 187,318.28 × 40,638.28 - Step 4: Simplify right side
124,877.68x = 7,612,292,711.76 - Step 5: Solve for x
x = 7,612,292,711.76/124,877.68 - Step 6: Final answer
x = 60,957.99
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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.