Finding the Fourth Proportional to 238,079.79, 328,549.11 and 130,651.62
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Solution
The fourth proportional to 238,079.79, 328,549.11 and 130,651.62 is: 180,298.69
Step by Step Solution
- Step 1: Write the proportion equation
238,079.79 : 328,549.11 = 130,651.62 : x - Step 2: Convert to fraction form
238,079.79/328,549.11 = 130,651.62/x - Step 3: Cross multiply
238,079.79x = 328,549.11 × 130,651.62 - Step 4: Simplify right side
238,079.79x = 42,925,473,471.06 - Step 5: Solve for x
x = 42,925,473,471.06/238,079.79 - Step 6: Final answer
x = 180,298.69
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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.