Finding the Fourth Proportional to 420,566.63, 630,849.96 and 125,078.63
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Solution
The fourth proportional to 420,566.63, 630,849.96 and 125,078.63 is: 187,617.94
Step by Step Solution
- Step 1: Write the proportion equation
420,566.63 : 630,849.96 = 125,078.63 : x - Step 2: Convert to fraction form
420,566.63/630,849.96 = 125,078.63/x - Step 3: Cross multiply
420,566.63x = 630,849.96 × 125,078.63 - Step 4: Simplify right side
420,566.63x = 78,905,845,578.11 - Step 5: Solve for x
x = 78,905,845,578.11/420,566.63 - Step 6: Final answer
x = 187,617.94
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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.