Finding the Fourth Proportional to 283,781.84, 425,739.58 and 84,103.88
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Solution
The fourth proportional to 283,781.84, 425,739.58 and 84,103.88 is: 126,175.62
Step by Step Solution
- Step 1: Write the proportion equation
283,781.84 : 425,739.58 = 84,103.88 : x - Step 2: Convert to fraction form
283,781.84/425,739.58 = 84,103.88/x - Step 3: Cross multiply
283,781.84x = 425,739.58 × 84,103.88 - Step 4: Simplify right side
283,781.84x = 35,806,350,547.57 - Step 5: Solve for x
x = 35,806,350,547.57/283,781.84 - Step 6: Final answer
x = 126,175.62
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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.