Finding the Fourth Proportional to 371,339.62, 512,468.50 and 210,230.62
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Solution
The fourth proportional to 371,339.62, 512,468.50 and 210,230.62 is: 290,129.48
Step by Step Solution
- Step 1: Write the proportion equation
371,339.62 : 512,468.50 = 210,230.62 : x - Step 2: Convert to fraction form
371,339.62/512,468.50 = 210,230.62/x - Step 3: Cross multiply
371,339.62x = 512,468.50 × 210,230.62 - Step 4: Simplify right side
371,339.62x = 107,736,567,923.13 - Step 5: Solve for x
x = 107,736,567,923.13/371,339.62 - Step 6: Final answer
x = 290,129.48
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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.