Finding the Fourth Proportional to 486,581.42, 729,792.87 and 170,964.65
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Solution
The fourth proportional to 486,581.42, 729,792.87 and 170,964.65 is: 256,419.12
Step by Step Solution
- Step 1: Write the proportion equation
486,581.42 : 729,792.87 = 170,964.65 : x - Step 2: Convert to fraction form
486,581.42/729,792.87 = 170,964.65/x - Step 3: Cross multiply
486,581.42x = 729,792.87 × 170,964.65 - Step 4: Simplify right side
486,581.42x = 124,768,778,943.08 - Step 5: Solve for x
x = 124,768,778,943.08/486,581.42 - Step 6: Final answer
x = 256,419.12
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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.