Finding the Fourth Proportional to 247,234.20, 370,778.40 and 97,424.70
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Solution
The fourth proportional to 247,234.20, 370,778.40 and 97,424.70 is: 146,108.32
Step by Step Solution
- Step 1: Write the proportion equation
247,234.20 : 370,778.40 = 97,424.70 : x - Step 2: Convert to fraction form
247,234.20/370,778.40 = 97,424.70/x - Step 3: Cross multiply
247,234.20x = 370,778.40 × 97,424.70 - Step 4: Simplify right side
247,234.20x = 36,122,974,386.48 - Step 5: Solve for x
x = 36,122,974,386.48/247,234.20 - Step 6: Final answer
x = 146,108.32
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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.