Finding the Fourth Proportional to 178,242.84, 267,397.98 and 71,635.08
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Solution
The fourth proportional to 178,242.84, 267,397.98 and 71,635.08 is: 107,466.17
Step by Step Solution
- Step 1: Write the proportion equation
178,242.84 : 267,397.98 = 71,635.08 : x - Step 2: Convert to fraction form
178,242.84/267,397.98 = 71,635.08/x - Step 3: Cross multiply
178,242.84x = 267,397.98 × 71,635.08 - Step 4: Simplify right side
178,242.84x = 19,155,075,689.14 - Step 5: Solve for x
x = 19,155,075,689.14/178,242.84 - Step 6: Final answer
x = 107,466.17
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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.