Finding the Fourth Proportional to 154,959.84, 232,417.80 and 49,765.14
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Solution
The fourth proportional to 154,959.84, 232,417.80 and 49,765.14 is: 74,640.66
Step by Step Solution
- Step 1: Write the proportion equation
154,959.84 : 232,417.80 = 49,765.14 : x - Step 2: Convert to fraction form
154,959.84/232,417.80 = 49,765.14/x - Step 3: Cross multiply
154,959.84x = 232,417.80 × 49,765.14 - Step 4: Simplify right side
154,959.84x = 11,566,304,355.49 - Step 5: Solve for x
x = 11,566,304,355.49/154,959.84 - Step 6: Final answer
x = 74,640.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.