Finding the Fourth Proportional to 425,519.68, 587,175.10 and 253,403.41
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Solution
The fourth proportional to 425,519.68, 587,175.10 and 253,403.41 is: 349,671.66
Step by Step Solution
- Step 1: Write the proportion equation
425,519.68 : 587,175.10 = 253,403.41 : x - Step 2: Convert to fraction form
425,519.68/587,175.10 = 253,403.41/x - Step 3: Cross multiply
425,519.68x = 587,175.10 × 253,403.41 - Step 4: Simplify right side
425,519.68x = 148,792,172,607.09 - Step 5: Solve for x
x = 148,792,172,607.09/425,519.68 - Step 6: Final answer
x = 349,671.66
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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.