Finding the Fourth Proportional to 247,439.73, 341,377.68 and 140,008.62
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Solution
The fourth proportional to 247,439.73, 341,377.68 and 140,008.62 is: 193,161.45
Step by Step Solution
- Step 1: Write the proportion equation
247,439.73 : 341,377.68 = 140,008.62 : x - Step 2: Convert to fraction form
247,439.73/341,377.68 = 140,008.62/x - Step 3: Cross multiply
247,439.73x = 341,377.68 × 140,008.62 - Step 4: Simplify right side
247,439.73x = 47,795,817,875.60 - Step 5: Solve for x
x = 47,795,817,875.60/247,439.73 - Step 6: Final answer
x = 193,161.45
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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.