Finding the Fourth Proportional to 219,725.23, 329,211.16 and 147,542.84
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Solution
The fourth proportional to 219,725.23, 329,211.16 and 147,542.84 is: 221,061.32
Step by Step Solution
- Step 1: Write the proportion equation
219,725.23 : 329,211.16 = 147,542.84 : x - Step 2: Convert to fraction form
219,725.23/329,211.16 = 147,542.84/x - Step 3: Cross multiply
219,725.23x = 329,211.16 × 147,542.84 - Step 4: Simplify right side
219,725.23x = 48,572,749,506.09 - Step 5: Solve for x
x = 48,572,749,506.09/219,725.23 - Step 6: Final answer
x = 221,061.32
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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.