Finding the Fourth Proportional to 466,721.98, 700,078.38 and 213,930.70
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Solution
The fourth proportional to 466,721.98, 700,078.38 and 213,930.70 is: 320,893.95
Step by Step Solution
- Step 1: Write the proportion equation
466,721.98 : 700,078.38 = 213,930.70 : x - Step 2: Convert to fraction form
466,721.98/700,078.38 = 213,930.70/x - Step 3: Cross multiply
466,721.98x = 700,078.38 × 213,930.70 - Step 4: Simplify right side
466,721.98x = 149,768,257,888.27 - Step 5: Solve for x
x = 149,768,257,888.27/466,721.98 - Step 6: Final answer
x = 320,893.95
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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.