Finding the Fourth Proportional to 315,395.82, 473,155.92 and 115,718.04
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Solution
The fourth proportional to 315,395.82, 473,155.92 and 115,718.04 is: 173,599.88
Step by Step Solution
- Step 1: Write the proportion equation
315,395.82 : 473,155.92 = 115,718.04 : x - Step 2: Convert to fraction form
315,395.82/473,155.92 = 115,718.04/x - Step 3: Cross multiply
315,395.82x = 473,155.92 × 115,718.04 - Step 4: Simplify right side
315,395.82x = 54,752,675,676.80 - Step 5: Solve for x
x = 54,752,675,676.80/315,395.82 - Step 6: Final answer
x = 173,599.88
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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.