Finding the Fourth Proportional to 423,671.13, 635,506.10 and 108,128.02
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Solution
The fourth proportional to 423,671.13, 635,506.10 and 108,128.02 is: 162,191.88
Step by Step Solution
- Step 1: Write the proportion equation
423,671.13 : 635,506.10 = 108,128.02 : x - Step 2: Convert to fraction form
423,671.13/635,506.10 = 108,128.02/x - Step 3: Cross multiply
423,671.13x = 635,506.10 × 108,128.02 - Step 4: Simplify right side
423,671.13x = 68,716,016,290.92 - Step 5: Solve for x
x = 68,716,016,290.92/423,671.13 - Step 6: Final answer
x = 162,191.88
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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.