Finding the Fourth Proportional to 470,062.12, 704,943.42 and 154,445.80
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Solution
The fourth proportional to 470,062.12, 704,943.42 and 154,445.80 is: 231,619.49
Step by Step Solution
- Step 1: Write the proportion equation
470,062.12 : 704,943.42 = 154,445.80 : x - Step 2: Convert to fraction form
470,062.12/704,943.42 = 154,445.80/x - Step 3: Cross multiply
470,062.12x = 704,943.42 × 154,445.80 - Step 4: Simplify right side
470,062.12x = 108,875,550,456.64 - Step 5: Solve for x
x = 108,875,550,456.64/470,062.12 - Step 6: Final answer
x = 231,619.49
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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.