Finding the Fourth Proportional to 414,367.97, 571,823.64 and 230,603.46
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Solution
The fourth proportional to 414,367.97, 571,823.64 and 230,603.46 is: 318,230.46
Step by Step Solution
- Step 1: Write the proportion equation
414,367.97 : 571,823.64 = 230,603.46 : x - Step 2: Convert to fraction form
414,367.97/571,823.64 = 230,603.46/x - Step 3: Cross multiply
414,367.97x = 571,823.64 × 230,603.46 - Step 4: Simplify right side
414,367.97x = 131,864,509,893.79 - Step 5: Solve for x
x = 131,864,509,893.79/414,367.97 - Step 6: Final answer
x = 318,230.46
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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.