Finding the Fourth Proportional to 571,501.11, 855,569.97 and 381,490.17
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Solution
The fourth proportional to 571,501.11, 855,569.97 and 381,490.17 is: 571,112.68
Step by Step Solution
- Step 1: Write the proportion equation
571,501.11 : 855,569.97 = 381,490.17 : x - Step 2: Convert to fraction form
571,501.11/855,569.97 = 381,490.17/x - Step 3: Cross multiply
571,501.11x = 855,569.97 × 381,490.17 - Step 4: Simplify right side
571,501.11x = 326,391,533,302.20 - Step 5: Solve for x
x = 326,391,533,302.20/571,501.11 - Step 6: Final answer
x = 571,112.68
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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.