Finding the Fourth Proportional to 454,814.55, 627,633.07 and 250,861.09
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Solution
The fourth proportional to 454,814.55, 627,633.07 and 250,861.09 is: 346,182.23
Step by Step Solution
- Step 1: Write the proportion equation
454,814.55 : 627,633.07 = 250,861.09 : x - Step 2: Convert to fraction form
454,814.55/627,633.07 = 250,861.09/x - Step 3: Cross multiply
454,814.55x = 627,633.07 × 250,861.09 - Step 4: Simplify right side
454,814.55x = 157,448,712,922.08 - Step 5: Solve for x
x = 157,448,712,922.08/454,814.55 - Step 6: Final answer
x = 346,182.23
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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.