Finding the Fourth Proportional to 178,197.80, 266,924.10 and 83,508.80
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Solution
The fourth proportional to 178,197.80, 266,924.10 and 83,508.80 is: 125,088.59
Step by Step Solution
- Step 1: Write the proportion equation
178,197.80 : 266,924.10 = 83,508.80 : x - Step 2: Convert to fraction form
178,197.80/266,924.10 = 83,508.80/x - Step 3: Cross multiply
178,197.80x = 266,924.10 × 83,508.80 - Step 4: Simplify right side
178,197.80x = 22,290,511,282.08 - Step 5: Solve for x
x = 22,290,511,282.08/178,197.80 - Step 6: Final answer
x = 125,088.59
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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.