Finding the Fourth Proportional to 259,876.49, 358,635.42 and 152,523.95
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Solution
The fourth proportional to 259,876.49, 358,635.42 and 152,523.95 is: 210,486.49
Step by Step Solution
- Step 1: Write the proportion equation
259,876.49 : 358,635.42 = 152,523.95 : x - Step 2: Convert to fraction form
259,876.49/358,635.42 = 152,523.95/x - Step 3: Cross multiply
259,876.49x = 358,635.42 × 152,523.95 - Step 4: Simplify right side
259,876.49x = 54,700,489,075.13 - Step 5: Solve for x
x = 54,700,489,075.13/259,876.49 - Step 6: Final answer
x = 210,486.49
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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.