Finding the Fourth Proportional to 315,225.16, 472,841.84 and 104,863.09
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Solution
The fourth proportional to 315,225.16, 472,841.84 and 104,863.09 is: 157,296.00
Step by Step Solution
- Step 1: Write the proportion equation
315,225.16 : 472,841.84 = 104,863.09 : x - Step 2: Convert to fraction form
315,225.16/472,841.84 = 104,863.09/x - Step 3: Cross multiply
315,225.16x = 472,841.84 × 104,863.09 - Step 4: Simplify right side
315,225.16x = 49,583,656,423.69 - Step 5: Solve for x
x = 49,583,656,423.69/315,225.16 - Step 6: Final answer
x = 157,296.00
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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.