Finding the Fourth Proportional to 247,228.20, 370,769.40 and 97,418.70
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Solution
The fourth proportional to 247,228.20, 370,769.40 and 97,418.70 is: 146,099.32
Step by Step Solution
- Step 1: Write the proportion equation
247,228.20 : 370,769.40 = 97,418.70 : x - Step 2: Convert to fraction form
247,228.20/370,769.40 = 97,418.70/x - Step 3: Cross multiply
247,228.20x = 370,769.40 × 97,418.70 - Step 4: Simplify right side
247,228.20x = 36,119,872,947.78 - Step 5: Solve for x
x = 36,119,872,947.78/247,228.20 - Step 6: Final answer
x = 146,099.32
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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.