Finding the Fourth Proportional to 266,243.68, 399,357.84 and 69,251.68
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Solution
The fourth proportional to 266,243.68, 399,357.84 and 69,251.68 is: 103,875.52
Step by Step Solution
- Step 1: Write the proportion equation
266,243.68 : 399,357.84 = 69,251.68 : x - Step 2: Convert to fraction form
266,243.68/399,357.84 = 69,251.68/x - Step 3: Cross multiply
266,243.68x = 399,357.84 × 69,251.68 - Step 4: Simplify right side
266,243.68x = 27,656,201,341.17 - Step 5: Solve for x
x = 27,656,201,341.17/266,243.68 - Step 6: Final answer
x = 103,875.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.