Finding the Fourth Proportional to 342,832.80, 473,343.06 and 213,821.70
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Solution
The fourth proportional to 342,832.80, 473,343.06 and 213,821.70 is: 295,219.76
Step by Step Solution
- Step 1: Write the proportion equation
342,832.80 : 473,343.06 = 213,821.70 : x - Step 2: Convert to fraction form
342,832.80/473,343.06 = 213,821.70/x - Step 3: Cross multiply
342,832.80x = 473,343.06 × 213,821.70 - Step 4: Simplify right side
342,832.80x = 101,211,017,772.40 - Step 5: Solve for x
x = 101,211,017,772.40/342,832.80 - Step 6: Final answer
x = 295,219.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.