Finding the Fourth Proportional to 438,964.74, 657,938.83 and 201,809.70
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Solution
The fourth proportional to 438,964.74, 657,938.83 and 201,809.70 is: 302,480.87
Step by Step Solution
- Step 1: Write the proportion equation
438,964.74 : 657,938.83 = 201,809.70 : x - Step 2: Convert to fraction form
438,964.74/657,938.83 = 201,809.70/x - Step 3: Cross multiply
438,964.74x = 657,938.83 × 201,809.70 - Step 4: Simplify right side
438,964.74x = 132,778,437,900.65 - Step 5: Solve for x
x = 132,778,437,900.65/438,964.74 - Step 6: Final answer
x = 302,480.87
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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.