Finding the Fourth Proportional to 283,062.87, 390,204.14 and 187,403.49
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Solution
The fourth proportional to 283,062.87, 390,204.14 and 187,403.49 is: 258,337.01
Step by Step Solution
- Step 1: Write the proportion equation
283,062.87 : 390,204.14 = 187,403.49 : x - Step 2: Convert to fraction form
283,062.87/390,204.14 = 187,403.49/x - Step 3: Cross multiply
283,062.87x = 390,204.14 × 187,403.49 - Step 4: Simplify right side
283,062.87x = 73,125,616,711.43 - Step 5: Solve for x
x = 73,125,616,711.43/283,062.87 - Step 6: Final answer
x = 258,337.01
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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.