Finding the Fourth Proportional to 272,351.13, 375,844.55 and 153,119.13
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Solution
The fourth proportional to 272,351.13, 375,844.55 and 153,119.13 is: 211,304.39
Step by Step Solution
- Step 1: Write the proportion equation
272,351.13 : 375,844.55 = 153,119.13 : x - Step 2: Convert to fraction form
272,351.13/375,844.55 = 153,119.13/x - Step 3: Cross multiply
272,351.13x = 375,844.55 × 153,119.13 - Step 4: Simplify right side
272,351.13x = 57,548,990,511.24 - Step 5: Solve for x
x = 57,548,990,511.24/272,351.13 - Step 6: Final answer
x = 211,304.39
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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.