Finding the Fourth Proportional to 423,817.68, 635,731.77 and 124,304.44
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Solution
The fourth proportional to 423,817.68, 635,731.77 and 124,304.44 is: 186,458.20
Step by Step Solution
- Step 1: Write the proportion equation
423,817.68 : 635,731.77 = 124,304.44 : x - Step 2: Convert to fraction form
423,817.68/635,731.77 = 124,304.44/x - Step 3: Cross multiply
423,817.68x = 635,731.77 × 124,304.44 - Step 4: Simplify right side
423,817.68x = 79,024,281,660.06 - Step 5: Solve for x
x = 79,024,281,660.06/423,817.68 - Step 6: Final answer
x = 186,458.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.