Finding the Fourth Proportional to 461,276.12, 691,862.70 and 124,350.32
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Solution
The fourth proportional to 461,276.12, 691,862.70 and 124,350.32 is: 186,511.60
Step by Step Solution
- Step 1: Write the proportion equation
461,276.12 : 691,862.70 = 124,350.32 : x - Step 2: Convert to fraction form
461,276.12/691,862.70 = 124,350.32/x - Step 3: Cross multiply
461,276.12x = 691,862.70 × 124,350.32 - Step 4: Simplify right side
461,276.12x = 86,033,348,141.06 - Step 5: Solve for x
x = 86,033,348,141.06/461,276.12 - Step 6: Final answer
x = 186,511.60
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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.