Finding the Fourth Proportional to 112,344.68, 155,036.58 and 62,044.52
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Solution
The fourth proportional to 112,344.68, 155,036.58 and 62,044.52 is: 85,621.95
Step by Step Solution
- Step 1: Write the proportion equation
112,344.68 : 155,036.58 = 62,044.52 : x - Step 2: Convert to fraction form
112,344.68/155,036.58 = 62,044.52/x - Step 3: Cross multiply
112,344.68x = 155,036.58 × 62,044.52 - Step 4: Simplify right side
112,344.68x = 9,619,170,188.54 - Step 5: Solve for x
x = 9,619,170,188.54/112,344.68 - Step 6: Final answer
x = 85,621.95
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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.