Finding the Fourth Proportional to 418,686.77, 577,541.78 and 263,391.11
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Solution
The fourth proportional to 418,686.77, 577,541.78 and 263,391.11 is: 363,324.99
Step by Step Solution
- Step 1: Write the proportion equation
418,686.77 : 577,541.78 = 263,391.11 : x - Step 2: Convert to fraction form
418,686.77/577,541.78 = 263,391.11/x - Step 3: Cross multiply
418,686.77x = 577,541.78 × 263,391.11 - Step 4: Simplify right side
418,686.77x = 152,119,369,454.41 - Step 5: Solve for x
x = 152,119,369,454.41/418,686.77 - Step 6: Final answer
x = 363,324.99
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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.