Finding the Fourth Proportional to 390,527.56, 585,580.68 and 177,179.05
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Solution
The fourth proportional to 390,527.56, 585,580.68 and 177,179.05 is: 265,673.00
Step by Step Solution
- Step 1: Write the proportion equation
390,527.56 : 585,580.68 = 177,179.05 : x - Step 2: Convert to fraction form
390,527.56/585,580.68 = 177,179.05/x - Step 3: Cross multiply
390,527.56x = 585,580.68 × 177,179.05 - Step 4: Simplify right side
390,527.56x = 103,752,628,580.75 - Step 5: Solve for x
x = 103,752,628,580.75/390,527.56 - Step 6: Final answer
x = 265,673.00
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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.