Finding the Fourth Proportional to 338,109.41, 466,590.98 and 194,878.68
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Solution
The fourth proportional to 338,109.41, 466,590.98 and 194,878.68 is: 268,932.57
Step by Step Solution
- Step 1: Write the proportion equation
338,109.41 : 466,590.98 = 194,878.68 : x - Step 2: Convert to fraction form
338,109.41/466,590.98 = 194,878.68/x - Step 3: Cross multiply
338,109.41x = 466,590.98 × 194,878.68 - Step 4: Simplify right side
338,109.41x = 90,928,633,019.79 - Step 5: Solve for x
x = 90,928,633,019.79/338,109.41 - Step 6: Final answer
x = 268,932.57
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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.