Finding the Fourth Proportional to 118,574.97, 177,862.76 and 48,454.29
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Solution
The fourth proportional to 118,574.97, 177,862.76 and 48,454.29 is: 72,681.56
Step by Step Solution
- Step 1: Write the proportion equation
118,574.97 : 177,862.76 = 48,454.29 : x - Step 2: Convert to fraction form
118,574.97/177,862.76 = 48,454.29/x - Step 3: Cross multiply
118,574.97x = 177,862.76 × 48,454.29 - Step 4: Simplify right side
118,574.97x = 8,618,213,510.97 - Step 5: Solve for x
x = 8,618,213,510.97/118,574.97 - Step 6: Final answer
x = 72,681.56
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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.