Finding the Fourth Proportional to 416,155.12, 574,232.47 and 252,726.63
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Solution
The fourth proportional to 416,155.12, 574,232.47 and 252,726.63 is: 348,725.35
Step by Step Solution
- Step 1: Write the proportion equation
416,155.12 : 574,232.47 = 252,726.63 : x - Step 2: Convert to fraction form
416,155.12/574,232.47 = 252,726.63/x - Step 3: Cross multiply
416,155.12x = 574,232.47 × 252,726.63 - Step 4: Simplify right side
416,155.12x = 145,123,838,846.13 - Step 5: Solve for x
x = 145,123,838,846.13/416,155.12 - Step 6: Final answer
x = 348,725.35
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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.