Finding the Fourth Proportional to 510,078.12, 703,905.84 and 283,723.68
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Solution
The fourth proportional to 510,078.12, 703,905.84 and 283,723.68 is: 391,537.59
Step by Step Solution
- Step 1: Write the proportion equation
510,078.12 : 703,905.84 = 283,723.68 : x - Step 2: Convert to fraction form
510,078.12/703,905.84 = 283,723.68/x - Step 3: Cross multiply
510,078.12x = 703,905.84 × 283,723.68 - Step 4: Simplify right side
510,078.12x = 199,714,755,298.29 - Step 5: Solve for x
x = 199,714,755,298.29/510,078.12 - Step 6: Final answer
x = 391,537.59
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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.