Finding the Fourth Proportional to 371,904.04, 513,230.70 and 202,138.12
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Solution
The fourth proportional to 371,904.04, 513,230.70 and 202,138.12 is: 278,952.30
Step by Step Solution
- Step 1: Write the proportion equation
371,904.04 : 513,230.70 = 202,138.12 : x - Step 2: Convert to fraction form
371,904.04/513,230.70 = 202,138.12/x - Step 3: Cross multiply
371,904.04x = 513,230.70 × 202,138.12 - Step 4: Simplify right side
371,904.04x = 103,743,488,824.28 - Step 5: Solve for x
x = 103,743,488,824.28/371,904.04 - Step 6: Final answer
x = 278,952.30
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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.