Finding the Fourth Proportional to 283,931.45, 425,476.43 and 115,246.52
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Solution
The fourth proportional to 283,931.45, 425,476.43 and 115,246.52 is: 172,698.99
Step by Step Solution
- Step 1: Write the proportion equation
283,931.45 : 425,476.43 = 115,246.52 : x - Step 2: Convert to fraction form
283,931.45/425,476.43 = 115,246.52/x - Step 3: Cross multiply
283,931.45x = 425,476.43 × 115,246.52 - Step 4: Simplify right side
283,931.45x = 49,034,675,195.91 - Step 5: Solve for x
x = 49,034,675,195.91/283,931.45 - Step 6: Final answer
x = 172,698.99
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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.