Finding the Fourth Proportional to 356,679.87, 534,864.27 and 134,908.35
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Solution
The fourth proportional to 356,679.87, 534,864.27 and 134,908.35 is: 202,303.70
Step by Step Solution
- Step 1: Write the proportion equation
356,679.87 : 534,864.27 = 134,908.35 : x - Step 2: Convert to fraction form
356,679.87/534,864.27 = 134,908.35/x - Step 3: Cross multiply
356,679.87x = 534,864.27 × 134,908.35 - Step 4: Simplify right side
356,679.87x = 72,157,656,139.65 - Step 5: Solve for x
x = 72,157,656,139.65/356,679.87 - Step 6: Final answer
x = 202,303.70
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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.