Finding the Fourth Proportional to 382,237.38, 527,491.01 and 207,807.95
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Solution
The fourth proportional to 382,237.38, 527,491.01 and 207,807.95 is: 286,776.82
Step by Step Solution
- Step 1: Write the proportion equation
382,237.38 : 527,491.01 = 207,807.95 : x - Step 2: Convert to fraction form
382,237.38/527,491.01 = 207,807.95/x - Step 3: Cross multiply
382,237.38x = 527,491.01 × 207,807.95 - Step 4: Simplify right side
382,237.38x = 109,616,821,755.04 - Step 5: Solve for x
x = 109,616,821,755.04/382,237.38 - Step 6: Final answer
x = 286,776.82
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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.