Finding the Fourth Proportional to 268,511.14, 370,532.68 and 147,657.52
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Solution
The fourth proportional to 268,511.14, 370,532.68 and 147,657.52 is: 203,760.40
Step by Step Solution
- Step 1: Write the proportion equation
268,511.14 : 370,532.68 = 147,657.52 : x - Step 2: Convert to fraction form
268,511.14/370,532.68 = 147,657.52/x - Step 3: Cross multiply
268,511.14x = 370,532.68 × 147,657.52 - Step 4: Simplify right side
268,511.14x = 54,711,936,607.75 - Step 5: Solve for x
x = 54,711,936,607.75/268,511.14 - Step 6: Final answer
x = 203,760.40
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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.