Finding the Fourth Proportional to 576,416.26, 864,655.91 and 239,490.97
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Solution
The fourth proportional to 576,416.26, 864,655.91 and 239,490.97 is: 359,249.54
Step by Step Solution
- Step 1: Write the proportion equation
576,416.26 : 864,655.91 = 239,490.97 : x - Step 2: Convert to fraction form
576,416.26/864,655.91 = 239,490.97/x - Step 3: Cross multiply
576,416.26x = 864,655.91 × 239,490.97 - Step 4: Simplify right side
576,416.26x = 207,077,277,081.40 - Step 5: Solve for x
x = 207,077,277,081.40/576,416.26 - Step 6: Final answer
x = 359,249.54
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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.