Finding the Fourth Proportional to 261,110.12, 360,328.88 and 146,388.20
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Solution
The fourth proportional to 261,110.12, 360,328.88 and 146,388.20 is: 202,013.99
Step by Step Solution
- Step 1: Write the proportion equation
261,110.12 : 360,328.88 = 146,388.20 : x - Step 2: Convert to fraction form
261,110.12/360,328.88 = 146,388.20/x - Step 3: Cross multiply
261,110.12x = 360,328.88 × 146,388.20 - Step 4: Simplify right side
261,110.12x = 52,747,896,151.22 - Step 5: Solve for x
x = 52,747,896,151.22/261,110.12 - Step 6: Final answer
x = 202,013.99
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1.5x scale
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.