Finding the Fourth Proportional to 465,679.14, 697,934.36 and 199,126.21
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Solution
The fourth proportional to 465,679.14, 697,934.36 and 199,126.21 is: 298,439.45
Step by Step Solution
- Step 1: Write the proportion equation
465,679.14 : 697,934.36 = 199,126.21 : x - Step 2: Convert to fraction form
465,679.14/697,934.36 = 199,126.21/x - Step 3: Cross multiply
465,679.14x = 697,934.36 × 199,126.21 - Step 4: Simplify right side
465,679.14x = 138,977,024,433.39 - Step 5: Solve for x
x = 138,977,024,433.39/465,679.14 - Step 6: Final answer
x = 298,439.45
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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.