Finding the Fourth Proportional to 247,319.70, 370,979.55 and 247,319.70
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Solution
The fourth proportional to 247,319.70, 370,979.55 and 247,319.70 is: 370,979.55
Step by Step Solution
- Step 1: Write the proportion equation
247,319.70 : 370,979.55 = 247,319.70 : x - Step 2: Convert to fraction form
247,319.70/370,979.55 = 247,319.70/x - Step 3: Cross multiply
247,319.70x = 370,979.55 × 247,319.70 - Step 4: Simplify right side
247,319.70x = 91,750,551,012.14 - Step 5: Solve for x
x = 91,750,551,012.14/247,319.70 - Step 6: Final answer
x = 370,979.55
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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.