Finding the Fourth Proportional to 247,750.21, 341,901.62 and 140,318.65
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Solution
The fourth proportional to 247,750.21, 341,901.62 and 140,318.65 is: 193,643.32
Step by Step Solution
- Step 1: Write the proportion equation
247,750.21 : 341,901.62 = 140,318.65 : x - Step 2: Convert to fraction form
247,750.21/341,901.62 = 140,318.65/x - Step 3: Cross multiply
247,750.21x = 341,901.62 × 140,318.65 - Step 4: Simplify right side
247,750.21x = 47,975,173,751.21 - Step 5: Solve for x
x = 47,975,173,751.21/247,750.21 - Step 6: Final answer
x = 193,643.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.