Finding the Fourth Proportional to 238,221.02, 328,750.80 and 129,329.84
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Solution
The fourth proportional to 238,221.02, 328,750.80 and 129,329.84 is: 178,478.32
Step by Step Solution
- Step 1: Write the proportion equation
238,221.02 : 328,750.80 = 129,329.84 : x - Step 2: Convert to fraction form
238,221.02/328,750.80 = 129,329.84/x - Step 3: Cross multiply
238,221.02x = 328,750.80 × 129,329.84 - Step 4: Simplify right side
238,221.02x = 42,517,288,363.87 - Step 5: Solve for x
x = 42,517,288,363.87/238,221.02 - Step 6: Final answer
x = 178,478.32
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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.