Finding the Fourth Proportional to 382,428.11, 527,751.84 and 210,363.70
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Solution
The fourth proportional to 382,428.11, 527,751.84 and 210,363.70 is: 290,302.48
Step by Step Solution
- Step 1: Write the proportion equation
382,428.11 : 527,751.84 = 210,363.70 : x - Step 2: Convert to fraction form
382,428.11/527,751.84 = 210,363.70/x - Step 3: Cross multiply
382,428.11x = 527,751.84 × 210,363.70 - Step 4: Simplify right side
382,428.11x = 111,019,828,424.83 - Step 5: Solve for x
x = 111,019,828,424.83/382,428.11 - Step 6: Final answer
x = 290,302.48
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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.