Finding the Fourth Proportional to 247,638.10, 371,129.10 and 219,425.80
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Solution
The fourth proportional to 247,638.10, 371,129.10 and 219,425.80 is: 328,848.02
Step by Step Solution
- Step 1: Write the proportion equation
247,638.10 : 371,129.10 = 219,425.80 : x - Step 2: Convert to fraction form
247,638.10/371,129.10 = 219,425.80/x - Step 3: Cross multiply
247,638.10x = 371,129.10 × 219,425.80 - Step 4: Simplify right side
247,638.10x = 81,435,299,670.78 - Step 5: Solve for x
x = 81,435,299,670.78/247,638.10 - Step 6: Final answer
x = 328,848.02
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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.