Finding the Fourth Proportional to 414,069.48, 571,401.12 and 230,307.09
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Solution
The fourth proportional to 414,069.48, 571,401.12 and 230,307.09 is: 317,815.57
Step by Step Solution
- Step 1: Write the proportion equation
414,069.48 : 571,401.12 = 230,307.09 : x - Step 2: Convert to fraction form
414,069.48/571,401.12 = 230,307.09/x - Step 3: Cross multiply
414,069.48x = 571,401.12 × 230,307.09 - Step 4: Simplify right side
414,069.48x = 131,597,729,169.94 - Step 5: Solve for x
x = 131,597,729,169.94/414,069.48 - Step 6: Final answer
x = 317,815.57
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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.