Finding the Fourth Proportional to 259,891.31, 358,652.99 and 152,463.17
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Solution
The fourth proportional to 259,891.31, 358,652.99 and 152,463.17 is: 210,400.92
Step by Step Solution
- Step 1: Write the proportion equation
259,891.31 : 358,652.99 = 152,463.17 : x - Step 2: Convert to fraction form
259,891.31/358,652.99 = 152,463.17/x - Step 3: Cross multiply
259,891.31x = 358,652.99 × 152,463.17 - Step 4: Simplify right side
259,891.31x = 54,681,370,373.27 - Step 5: Solve for x
x = 54,681,370,373.27/259,891.31 - Step 6: Final answer
x = 210,400.92
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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.