Finding the Fourth Proportional to 178,115.36, 266,827.16 and 159,187.28
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Solution
The fourth proportional to 178,115.36, 266,827.16 and 159,187.28 is: 238,471.80
Step by Step Solution
- Step 1: Write the proportion equation
178,115.36 : 266,827.16 = 159,187.28 : x - Step 2: Convert to fraction form
178,115.36/266,827.16 = 159,187.28/x - Step 3: Cross multiply
178,115.36x = 266,827.16 × 159,187.28 - Step 4: Simplify right side
178,115.36x = 42,475,489,830.52 - Step 5: Solve for x
x = 42,475,489,830.52/178,115.36 - Step 6: Final answer
x = 238,471.80
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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.