Finding the Fourth Proportional to 314,423.70, 471,203.55 and 201,758.10
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Solution
The fourth proportional to 314,423.70, 471,203.55 and 201,758.10 is: 302,359.95
Step by Step Solution
- Step 1: Write the proportion equation
314,423.70 : 471,203.55 = 201,758.10 : x - Step 2: Convert to fraction form
314,423.70/471,203.55 = 201,758.10/x - Step 3: Cross multiply
314,423.70x = 471,203.55 × 201,758.10 - Step 4: Simplify right side
314,423.70x = 95,069,132,961.26 - Step 5: Solve for x
x = 95,069,132,961.26/314,423.70 - Step 6: Final answer
x = 302,359.95
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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.