Finding the Fourth Proportional to 262,211.30, 392,332.80 and 173,637.80
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Solution
The fourth proportional to 262,211.30, 392,332.80 and 173,637.80 is: 259,804.99
Step by Step Solution
- Step 1: Write the proportion equation
262,211.30 : 392,332.80 = 173,637.80 : x - Step 2: Convert to fraction form
262,211.30/392,332.80 = 173,637.80/x - Step 3: Cross multiply
262,211.30x = 392,332.80 × 173,637.80 - Step 4: Simplify right side
262,211.30x = 68,123,804,259.84 - Step 5: Solve for x
x = 68,123,804,259.84/262,211.30 - Step 6: Final answer
x = 259,804.99
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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.