Finding the Fourth Proportional to 485,719.35, 670,295.62 and 270,872.99
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Solution
The fourth proportional to 485,719.35, 670,295.62 and 270,872.99 is: 373,806.35
Step by Step Solution
- Step 1: Write the proportion equation
485,719.35 : 670,295.62 = 270,872.99 : x - Step 2: Convert to fraction form
485,719.35/670,295.62 = 270,872.99/x - Step 3: Cross multiply
485,719.35x = 670,295.62 × 270,872.99 - Step 4: Simplify right side
485,719.35x = 181,564,978,773.30 - Step 5: Solve for x
x = 181,564,978,773.30/485,719.35 - Step 6: Final answer
x = 373,806.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.