Finding the Fourth Proportional to 187,211.70, 280,817.55 and 175,547.70
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Solution
The fourth proportional to 187,211.70, 280,817.55 and 175,547.70 is: 263,321.55
Step by Step Solution
- Step 1: Write the proportion equation
187,211.70 : 280,817.55 = 175,547.70 : x - Step 2: Convert to fraction form
187,211.70/280,817.55 = 175,547.70/x - Step 3: Cross multiply
187,211.70x = 280,817.55 × 175,547.70 - Step 4: Simplify right side
187,211.70x = 49,296,875,022.14 - Step 5: Solve for x
x = 49,296,875,022.14/187,211.70 - Step 6: Final answer
x = 263,321.55
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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.