Finding the Fourth Proportional to 425,387.13, 587,046.59 and 234,412.84
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Solution
The fourth proportional to 425,387.13, 587,046.59 and 234,412.84 is: 323,496.53
Step by Step Solution
- Step 1: Write the proportion equation
425,387.13 : 587,046.59 = 234,412.84 : x - Step 2: Convert to fraction form
425,387.13/587,046.59 = 234,412.84/x - Step 3: Cross multiply
425,387.13x = 587,046.59 × 234,412.84 - Step 4: Simplify right side
425,387.13x = 137,611,258,374.22 - Step 5: Solve for x
x = 137,611,258,374.22/425,387.13 - Step 6: Final answer
x = 323,496.53
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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.