Finding the Fourth Proportional to 192,788.80, 288,952.80 and 99,246.40
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Solution
The fourth proportional to 192,788.80, 288,952.80 and 99,246.40 is: 148,750.99
Step by Step Solution
- Step 1: Write the proportion equation
192,788.80 : 288,952.80 = 99,246.40 : x - Step 2: Convert to fraction form
192,788.80/288,952.80 = 99,246.40/x - Step 3: Cross multiply
192,788.80x = 288,952.80 × 99,246.40 - Step 4: Simplify right side
192,788.80x = 28,677,525,169.92 - Step 5: Solve for x
x = 28,677,525,169.92/192,788.80 - Step 6: Final answer
x = 148,750.99
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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.