Finding the Fourth Proportional to 238,082.18, 328,562.87 and 130,656.09
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Solution
The fourth proportional to 238,082.18, 328,562.87 and 130,656.09 is: 180,310.59
Step by Step Solution
- Step 1: Write the proportion equation
238,082.18 : 328,562.87 = 130,656.09 : x - Step 2: Convert to fraction form
238,082.18/328,562.87 = 130,656.09/x - Step 3: Cross multiply
238,082.18x = 328,562.87 × 130,656.09 - Step 4: Simplify right side
238,082.18x = 42,928,738,597.20 - Step 5: Solve for x
x = 42,928,738,597.20/238,082.18 - Step 6: Final answer
x = 180,310.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.