Finding the Fourth Proportional to 660,043.80, 990,057.33 and 210,758.99
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Solution
The fourth proportional to 660,043.80, 990,057.33 and 210,758.99 is: 316,135.80
Step by Step Solution
- Step 1: Write the proportion equation
660,043.80 : 990,057.33 = 210,758.99 : x - Step 2: Convert to fraction form
660,043.80/990,057.33 = 210,758.99/x - Step 3: Cross multiply
660,043.80x = 990,057.33 × 210,758.99 - Step 4: Simplify right side
660,043.80x = 208,663,477,962.61 - Step 5: Solve for x
x = 208,663,477,962.61/660,043.80 - Step 6: Final answer
x = 316,135.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.