Finding the Fourth Proportional to 414,490.97, 571,993.49 and 230,726.62
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Solution
The fourth proportional to 414,490.97, 571,993.49 and 230,726.62 is: 318,400.48
Step by Step Solution
- Step 1: Write the proportion equation
414,490.97 : 571,993.49 = 230,726.62 : x - Step 2: Convert to fraction form
414,490.97/571,993.49 = 230,726.62/x - Step 3: Cross multiply
414,490.97x = 571,993.49 × 230,726.62 - Step 4: Simplify right side
414,490.97x = 131,974,124,032.89 - Step 5: Solve for x
x = 131,974,124,032.89/414,490.97 - Step 6: Final answer
x = 318,400.48
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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.