Finding the Fourth Proportional to 178,400.18, 267,075.36 and 119,088.74
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Solution
The fourth proportional to 178,400.18, 267,075.36 and 119,088.74 is: 178,282.71
Step by Step Solution
- Step 1: Write the proportion equation
178,400.18 : 267,075.36 = 119,088.74 : x - Step 2: Convert to fraction form
178,400.18/267,075.36 = 119,088.74/x - Step 3: Cross multiply
178,400.18x = 267,075.36 × 119,088.74 - Step 4: Simplify right side
178,400.18x = 31,805,668,775.13 - Step 5: Solve for x
x = 31,805,668,775.13/178,400.18 - Step 6: Final answer
x = 178,282.71
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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.