Finding the Fourth Proportional to 177,547.70, 266,321.55 and 84,235.70
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Solution
The fourth proportional to 177,547.70, 266,321.55 and 84,235.70 is: 126,353.55
Step by Step Solution
- Step 1: Write the proportion equation
177,547.70 : 266,321.55 = 84,235.70 : x - Step 2: Convert to fraction form
177,547.70/266,321.55 = 84,235.70/x - Step 3: Cross multiply
177,547.70x = 266,321.55 × 84,235.70 - Step 4: Simplify right side
177,547.70x = 22,433,782,189.34 - Step 5: Solve for x
x = 22,433,782,189.34/177,547.70 - Step 6: Final answer
x = 126,353.55
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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.