Finding the Fourth Proportional to 219,747.12, 329,281.42 and 148,390.12
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Solution
The fourth proportional to 219,747.12, 329,281.42 and 148,390.12 is: 222,356.09
Step by Step Solution
- Step 1: Write the proportion equation
219,747.12 : 329,281.42 = 148,390.12 : x - Step 2: Convert to fraction form
219,747.12/329,281.42 = 148,390.12/x - Step 3: Cross multiply
219,747.12x = 329,281.42 × 148,390.12 - Step 4: Simplify right side
219,747.12x = 48,862,109,427.57 - Step 5: Solve for x
x = 48,862,109,427.57/219,747.12 - Step 6: Final answer
x = 222,356.09
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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.