Finding the Fourth Proportional to 413,775.29, 571,010.40 and 232,487.09
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Solution
The fourth proportional to 413,775.29, 571,010.40 and 232,487.09 is: 320,832.46
Step by Step Solution
- Step 1: Write the proportion equation
413,775.29 : 571,010.40 = 232,487.09 : x - Step 2: Convert to fraction form
413,775.29/571,010.40 = 232,487.09/x - Step 3: Cross multiply
413,775.29x = 571,010.40 × 232,487.09 - Step 4: Simplify right side
413,775.29x = 132,752,543,400.68 - Step 5: Solve for x
x = 132,752,543,400.68/413,775.29 - Step 6: Final answer
x = 320,832.46
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1.5x scale
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.