Finding the Fourth Proportional to 268,482.11, 370,506.68 and 147,631.19
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Solution
The fourth proportional to 268,482.11, 370,506.68 and 147,631.19 is: 203,731.79
Step by Step Solution
- Step 1: Write the proportion equation
268,482.11 : 370,506.68 = 147,631.19 : x - Step 2: Convert to fraction form
268,482.11/370,506.68 = 147,631.19/x - Step 3: Cross multiply
268,482.11x = 370,506.68 × 147,631.19 - Step 4: Simplify right side
268,482.11x = 54,698,339,480.66 - Step 5: Solve for x
x = 54,698,339,480.66/268,482.11 - Step 6: Final answer
x = 203,731.79
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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.