Finding the Fourth Proportional to 472,377.99, 708,078.67 and 219,452.12
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Solution
The fourth proportional to 472,377.99, 708,078.67 and 219,452.12 is: 328,951.33
Step by Step Solution
- Step 1: Write the proportion equation
472,377.99 : 708,078.67 = 219,452.12 : x - Step 2: Convert to fraction form
472,377.99/708,078.67 = 219,452.12/x - Step 3: Cross multiply
472,377.99x = 708,078.67 × 219,452.12 - Step 4: Simplify right side
472,377.99x = 155,389,366,966.06 - Step 5: Solve for x
x = 155,389,366,966.06/472,377.99 - Step 6: Final answer
x = 328,951.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.