Finding the Fourth Proportional to 416,660.06, 574,988.18 and 235,430.66
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Solution
The fourth proportional to 416,660.06, 574,988.18 and 235,430.66 is: 324,892.78
Step by Step Solution
- Step 1: Write the proportion equation
416,660.06 : 574,988.18 = 235,430.66 : x - Step 2: Convert to fraction form
416,660.06/574,988.18 = 235,430.66/x - Step 3: Cross multiply
416,660.06x = 574,988.18 × 235,430.66 - Step 4: Simplify right side
416,660.06x = 135,369,842,657.51 - Step 5: Solve for x
x = 135,369,842,657.51/416,660.06 - Step 6: Final answer
x = 324,892.78
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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.