Finding the Fourth Proportional to 423,509.26, 635,272.08 and 103,663.92
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Solution
The fourth proportional to 423,509.26, 635,272.08 and 103,663.92 is: 155,497.88
Step by Step Solution
- Step 1: Write the proportion equation
423,509.26 : 635,272.08 = 103,663.92 : x - Step 2: Convert to fraction form
423,509.26/635,272.08 = 103,663.92/x - Step 3: Cross multiply
423,509.26x = 635,272.08 × 103,663.92 - Step 4: Simplify right side
423,509.26x = 65,854,794,079.35 - Step 5: Solve for x
x = 65,854,794,079.35/423,509.26 - Step 6: Final answer
x = 155,497.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.