Finding the Fourth Proportional to 438,628.65, 657,844.56 and 201,743.75
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Solution
The fourth proportional to 438,628.65, 657,844.56 and 201,743.75 is: 302,570.35
Step by Step Solution
- Step 1: Write the proportion equation
438,628.65 : 657,844.56 = 201,743.75 : x - Step 2: Convert to fraction form
438,628.65/657,844.56 = 201,743.75/x - Step 3: Cross multiply
438,628.65x = 657,844.56 × 201,743.75 - Step 4: Simplify right side
438,628.65x = 132,716,025,162.28 - Step 5: Solve for x
x = 132,716,025,162.28/438,628.65 - Step 6: Final answer
x = 302,570.35
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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.