Finding the Fourth Proportional to 425,644.93, 587,394.57 and 234,665.17
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Solution
The fourth proportional to 425,644.93, 587,394.57 and 234,665.17 is: 323,840.45
Step by Step Solution
- Step 1: Write the proportion equation
425,644.93 : 587,394.57 = 234,665.17 : x - Step 2: Convert to fraction form
425,644.93/587,394.57 = 234,665.17/x - Step 3: Cross multiply
425,644.93x = 587,394.57 × 234,665.17 - Step 4: Simplify right side
425,644.93x = 137,841,046,626.13 - Step 5: Solve for x
x = 137,841,046,626.13/425,644.93 - Step 6: Final answer
x = 323,840.45
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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.