Finding the Fourth Proportional to 455,324.91, 628,349.17 and 251,376.17
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Solution
The fourth proportional to 455,324.91, 628,349.17 and 251,376.17 is: 346,899.55
Step by Step Solution
- Step 1: Write the proportion equation
455,324.91 : 628,349.17 = 251,376.17 : x - Step 2: Convert to fraction form
455,324.91/628,349.17 = 251,376.17/x - Step 3: Cross multiply
455,324.91x = 628,349.17 × 251,376.17 - Step 4: Simplify right side
455,324.91x = 157,952,006,952.65 - Step 5: Solve for x
x = 157,952,006,952.65/455,324.91 - Step 6: Final answer
x = 346,899.55
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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.