Finding the Fourth Proportional to 371,823.63, 513,160.35 and 220,920.63
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Solution
The fourth proportional to 371,823.63, 513,160.35 and 220,920.63 is: 304,896.45
Step by Step Solution
- Step 1: Write the proportion equation
371,823.63 : 513,160.35 = 220,920.63 : x - Step 2: Convert to fraction form
371,823.63/513,160.35 = 220,920.63/x - Step 3: Cross multiply
371,823.63x = 513,160.35 × 220,920.63 - Step 4: Simplify right side
371,823.63x = 113,367,704,142.62 - Step 5: Solve for x
x = 113,367,704,142.62/371,823.63 - Step 6: Final answer
x = 304,896.45
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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.