Finding the Fourth Proportional to 352,937.87, 487,124.99 and 209,670.24
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Solution
The fourth proportional to 352,937.87, 487,124.99 and 209,670.24 is: 289,386.95
Step by Step Solution
- Step 1: Write the proportion equation
352,937.87 : 487,124.99 = 209,670.24 : x - Step 2: Convert to fraction form
352,937.87/487,124.99 = 209,670.24/x - Step 3: Cross multiply
352,937.87x = 487,124.99 × 209,670.24 - Step 4: Simplify right side
352,937.87x = 102,135,612,514.95 - Step 5: Solve for x
x = 102,135,612,514.95/352,937.87 - Step 6: Final answer
x = 289,386.95
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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.