Finding the Fourth Proportional to 560,643.60, 841,076.16 and 205,660.68
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Solution
The fourth proportional to 560,643.60, 841,076.16 and 205,660.68 is: 308,531.65
Step by Step Solution
- Step 1: Write the proportion equation
560,643.60 : 841,076.16 = 205,660.68 : x - Step 2: Convert to fraction form
560,643.60/841,076.16 = 205,660.68/x - Step 3: Cross multiply
560,643.60x = 841,076.16 × 205,660.68 - Step 4: Simplify right side
560,643.60x = 172,976,294,997.39 - Step 5: Solve for x
x = 172,976,294,997.39/560,643.60 - Step 6: Final answer
x = 308,531.65
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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.