Finding the Fourth Proportional to 247,219.70, 370,829.55 and 153,907.70
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Solution
The fourth proportional to 247,219.70, 370,829.55 and 153,907.70 is: 230,861.55
Step by Step Solution
- Step 1: Write the proportion equation
247,219.70 : 370,829.55 = 153,907.70 : x - Step 2: Convert to fraction form
247,219.70/370,829.55 = 153,907.70/x - Step 3: Cross multiply
247,219.70x = 370,829.55 × 153,907.70 - Step 4: Simplify right side
247,219.70x = 57,073,523,132.54 - Step 5: Solve for x
x = 57,073,523,132.54/247,219.70 - Step 6: Final answer
x = 230,861.55
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1.5x scale
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.