Finding the Fourth Proportional to 315,551.49, 473,465.94 and 165,756.97
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Solution
The fourth proportional to 315,551.49, 473,465.94 and 165,756.97 is: 248,708.32
Step by Step Solution
- Step 1: Write the proportion equation
315,551.49 : 473,465.94 = 165,756.97 : x - Step 2: Convert to fraction form
315,551.49/473,465.94 = 165,756.97/x - Step 3: Cross multiply
315,551.49x = 473,465.94 × 165,756.97 - Step 4: Simplify right side
315,551.49x = 78,480,279,612.60 - Step 5: Solve for x
x = 78,480,279,612.60/315,551.49 - Step 6: Final answer
x = 248,708.32
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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.