Finding the Fourth Proportional to 282,652.80, 423,979.20 and 268,874.70
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Solution
The fourth proportional to 282,652.80, 423,979.20 and 268,874.70 is: 403,312.05
Step by Step Solution
- Step 1: Write the proportion equation
282,652.80 : 423,979.20 = 268,874.70 : x - Step 2: Convert to fraction form
282,652.80/423,979.20 = 268,874.70/x - Step 3: Cross multiply
282,652.80x = 423,979.20 × 268,874.70 - Step 4: Simplify right side
282,652.80x = 113,997,280,206.24 - Step 5: Solve for x
x = 113,997,280,206.24/282,652.80 - Step 6: Final answer
x = 403,312.05
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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.