Finding the Fourth Proportional to 338,306.49, 466,862.95 and 187,403.49
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Solution
The fourth proportional to 338,306.49, 466,862.95 and 187,403.49 is: 258,616.81
Step by Step Solution
- Step 1: Write the proportion equation
338,306.49 : 466,862.95 = 187,403.49 : x - Step 2: Convert to fraction form
338,306.49/466,862.95 = 187,403.49/x - Step 3: Cross multiply
338,306.49x = 466,862.95 × 187,403.49 - Step 4: Simplify right side
338,306.49x = 87,491,746,415.95 - Step 5: Solve for x
x = 87,491,746,415.95/338,306.49 - Step 6: Final answer
x = 258,616.81
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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.