Finding the Fourth Proportional to 105,532.79, 158,256.66 and 38,045.62
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Solution
The fourth proportional to 105,532.79, 158,256.66 and 38,045.62 is: 57,053.09
Step by Step Solution
- Step 1: Write the proportion equation
105,532.79 : 158,256.66 = 38,045.62 : x - Step 2: Convert to fraction form
105,532.79/158,256.66 = 38,045.62/x - Step 3: Cross multiply
105,532.79x = 158,256.66 × 38,045.62 - Step 4: Simplify right side
105,532.79x = 6,020,971,957.55 - Step 5: Solve for x
x = 6,020,971,957.55/105,532.79 - Step 6: Final answer
x = 57,053.09
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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.