Finding the Fourth Proportional to 154,972.07, 232,449.84 and 49,782.81
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Solution
The fourth proportional to 154,972.07, 232,449.84 and 49,782.81 is: 74,671.56
Step by Step Solution
- Step 1: Write the proportion equation
154,972.07 : 232,449.84 = 49,782.81 : x - Step 2: Convert to fraction form
154,972.07/232,449.84 = 49,782.81/x - Step 3: Cross multiply
154,972.07x = 232,449.84 × 49,782.81 - Step 4: Simplify right side
154,972.07x = 11,572,006,219.25 - Step 5: Solve for x
x = 11,572,006,219.25/154,972.07 - Step 6: Final answer
x = 74,671.56
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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.