Finding the Fourth Proportional to 238,082.23, 328,562.93 and 130,656.08
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Solution
The fourth proportional to 238,082.23, 328,562.93 and 130,656.08 is: 180,310.58
Step by Step Solution
- Step 1: Write the proportion equation
238,082.23 : 328,562.93 = 130,656.08 : x - Step 2: Convert to fraction form
238,082.23/328,562.93 = 130,656.08/x - Step 3: Cross multiply
238,082.23x = 328,562.93 × 130,656.08 - Step 4: Simplify right side
238,082.23x = 42,928,745,615.16 - Step 5: Solve for x
x = 42,928,745,615.16/238,082.23 - Step 6: Final answer
x = 180,310.58
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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.