Finding the Fourth Proportional to 482,570.10, 724,114.35 and 202,115.70
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Solution
The fourth proportional to 482,570.10, 724,114.35 and 202,115.70 is: 303,282.11
Step by Step Solution
- Step 1: Write the proportion equation
482,570.10 : 724,114.35 = 202,115.70 : x - Step 2: Convert to fraction form
482,570.10/724,114.35 = 202,115.70/x - Step 3: Cross multiply
482,570.10x = 724,114.35 × 202,115.70 - Step 4: Simplify right side
482,570.10x = 146,354,878,730.30 - Step 5: Solve for x
x = 146,354,878,730.30/482,570.10 - Step 6: Final answer
x = 303,282.11
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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.