Finding the Fourth Proportional to 274,170.56, 378,353.22 and 153,312.08
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Solution
The fourth proportional to 274,170.56, 378,353.22 and 153,312.08 is: 211,569.47
Step by Step Solution
- Step 1: Write the proportion equation
274,170.56 : 378,353.22 = 153,312.08 : x - Step 2: Convert to fraction form
274,170.56/378,353.22 = 153,312.08/x - Step 3: Cross multiply
274,170.56x = 378,353.22 × 153,312.08 - Step 4: Simplify right side
274,170.56x = 58,006,119,132.90 - Step 5: Solve for x
x = 58,006,119,132.90/274,170.56 - Step 6: Final answer
x = 211,569.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.