Finding the Fourth Proportional to 371,964.90, 513,316.67 and 202,202.67
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Solution
The fourth proportional to 371,964.90, 513,316.67 and 202,202.67 is: 279,042.46
Step by Step Solution
- Step 1: Write the proportion equation
371,964.90 : 513,316.67 = 202,202.67 : x - Step 2: Convert to fraction form
371,964.90/513,316.67 = 202,202.67/x - Step 3: Cross multiply
371,964.90x = 513,316.67 × 202,202.67 - Step 4: Simplify right side
371,964.90x = 103,794,001,229.51 - Step 5: Solve for x
x = 103,794,001,229.51/371,964.90 - Step 6: Final answer
x = 279,042.46
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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.