Finding the Fourth Proportional to 438,251.93, 657,369.69 and 138,750.49
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Solution
The fourth proportional to 438,251.93, 657,369.69 and 138,750.49 is: 208,123.14
Step by Step Solution
- Step 1: Write the proportion equation
438,251.93 : 657,369.69 = 138,750.49 : x - Step 2: Convert to fraction form
438,251.93/657,369.69 = 138,750.49/x - Step 3: Cross multiply
438,251.93x = 657,369.69 × 138,750.49 - Step 4: Simplify right side
438,251.93x = 91,210,366,598.65 - Step 5: Solve for x
x = 91,210,366,598.65/438,251.93 - Step 6: Final answer
x = 208,123.14
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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.