Finding the Fourth Proportional to 272,764.12, 409,169.28 and 83,266.96
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Solution
The fourth proportional to 272,764.12, 409,169.28 and 83,266.96 is: 124,907.49
Step by Step Solution
- Step 1: Write the proportion equation
272,764.12 : 409,169.28 = 83,266.96 : x - Step 2: Convert to fraction form
272,764.12/409,169.28 = 83,266.96/x - Step 3: Cross multiply
272,764.12x = 409,169.28 × 83,266.96 - Step 4: Simplify right side
272,764.12x = 34,070,282,070.99 - Step 5: Solve for x
x = 34,070,282,070.99/272,764.12 - Step 6: Final answer
x = 124,907.49
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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.