Finding the Fourth Proportional to 457,410.24, 686,303.28 and 191,226.96
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Solution
The fourth proportional to 457,410.24, 686,303.28 and 191,226.96 is: 286,919.00
Step by Step Solution
- Step 1: Write the proportion equation
457,410.24 : 686,303.28 = 191,226.96 : x - Step 2: Convert to fraction form
457,410.24/686,303.28 = 191,226.96/x - Step 3: Cross multiply
457,410.24x = 686,303.28 × 191,226.96 - Step 4: Simplify right side
457,410.24x = 131,239,689,872.43 - Step 5: Solve for x
x = 131,239,689,872.43/457,410.24 - Step 6: Final answer
x = 286,919.00
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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.