Finding the Fourth Proportional to 276,468.99, 414,758.84 and 86,977.05
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Solution
The fourth proportional to 276,468.99, 414,758.84 and 86,977.05 is: 130,482.99
Step by Step Solution
- Step 1: Write the proportion equation
276,468.99 : 414,758.84 = 86,977.05 : x - Step 2: Convert to fraction form
276,468.99/414,758.84 = 86,977.05/x - Step 3: Cross multiply
276,468.99x = 414,758.84 × 86,977.05 - Step 4: Simplify right side
276,468.99x = 36,074,499,929.74 - Step 5: Solve for x
x = 36,074,499,929.74/276,468.99 - Step 6: Final answer
x = 130,482.99
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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.