Finding the Fourth Proportional to 283,125.20, 390,702.84 and 155,797.52
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Solution
The fourth proportional to 283,125.20, 390,702.84 and 155,797.52 is: 214,995.11
Step by Step Solution
- Step 1: Write the proportion equation
283,125.20 : 390,702.84 = 155,797.52 : x - Step 2: Convert to fraction form
283,125.20/390,702.84 = 155,797.52/x - Step 3: Cross multiply
283,125.20x = 390,702.84 × 155,797.52 - Step 4: Simplify right side
283,125.20x = 60,870,533,528.96 - Step 5: Solve for x
x = 60,870,533,528.96/283,125.20 - Step 6: Final answer
x = 214,995.11
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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.