Finding the Fourth Proportional to 237,859.20, 328,248.84 and 130,428.96
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Solution
The fourth proportional to 237,859.20, 328,248.84 and 130,428.96 is: 179,993.69
Step by Step Solution
- Step 1: Write the proportion equation
237,859.20 : 328,248.84 = 130,428.96 : x - Step 2: Convert to fraction form
237,859.20/328,248.84 = 130,428.96/x - Step 3: Cross multiply
237,859.20x = 328,248.84 × 130,428.96 - Step 4: Simplify right side
237,859.20x = 42,813,154,822.41 - Step 5: Solve for x
x = 42,813,154,822.41/237,859.20 - Step 6: Final answer
x = 179,993.69
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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.