Finding the Fourth Proportional to 150,226.62, 207,309.69 and 86,560.62
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Solution
The fourth proportional to 150,226.62, 207,309.69 and 86,560.62 is: 119,451.90
Step by Step Solution
- Step 1: Write the proportion equation
150,226.62 : 207,309.69 = 86,560.62 : x - Step 2: Convert to fraction form
150,226.62/207,309.69 = 86,560.62/x - Step 3: Cross multiply
150,226.62x = 207,309.69 × 86,560.62 - Step 4: Simplify right side
150,226.62x = 17,944,855,298.41 - Step 5: Solve for x
x = 17,944,855,298.41/150,226.62 - Step 6: Final answer
x = 119,451.90
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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.