Finding the Fourth Proportional to 422,294.08, 582,823.80 and 258,921.68
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Solution
The fourth proportional to 422,294.08, 582,823.80 and 258,921.68 is: 357,347.47
Step by Step Solution
- Step 1: Write the proportion equation
422,294.08 : 582,823.80 = 258,921.68 : x - Step 2: Convert to fraction form
422,294.08/582,823.80 = 258,921.68/x - Step 3: Cross multiply
422,294.08x = 582,823.80 × 258,921.68 - Step 4: Simplify right side
422,294.08x = 150,905,717,439.98 - Step 5: Solve for x
x = 150,905,717,439.98/422,294.08 - Step 6: Final answer
x = 357,347.47
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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.