Finding the Fourth Proportional to 272,436.24, 375,954.84 and 151,577.76
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Solution
The fourth proportional to 272,436.24, 375,954.84 and 151,577.76 is: 209,173.32
Step by Step Solution
- Step 1: Write the proportion equation
272,436.24 : 375,954.84 = 151,577.76 : x - Step 2: Convert to fraction form
272,436.24/375,954.84 = 151,577.76/x - Step 3: Cross multiply
272,436.24x = 375,954.84 × 151,577.76 - Step 4: Simplify right side
272,436.24x = 56,986,392,508.36 - Step 5: Solve for x
x = 56,986,392,508.36/272,436.24 - Step 6: Final answer
x = 209,173.32
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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.