Finding the Fourth Proportional to 861,506.24, 1,292,259.06 and 230,403.66
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Solution
The fourth proportional to 861,506.24, 1,292,259.06 and 230,403.66 is: 345,605.41
Step by Step Solution
- Step 1: Write the proportion equation
861,506.24 : 1,292,259.06 = 230,403.66 : x - Step 2: Convert to fraction form
861,506.24/1,292,259.06 = 230,403.66/x - Step 3: Cross multiply
861,506.24x = 1,292,259.06 × 230,403.66 - Step 4: Simplify right side
861,506.24x = 297,741,217,092.16 - Step 5: Solve for x
x = 297,741,217,092.16/861,506.24 - Step 6: Final answer
x = 345,605.41
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1.5x scale
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.