Finding the Fourth Proportional to 266,283.36, 399,140.88 and 132,900.96
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Solution
The fourth proportional to 266,283.36, 399,140.88 and 132,900.96 is: 199,209.62
Step by Step Solution
- Step 1: Write the proportion equation
266,283.36 : 399,140.88 = 132,900.96 : x - Step 2: Convert to fraction form
266,283.36/399,140.88 = 132,900.96/x - Step 3: Cross multiply
266,283.36x = 399,140.88 × 132,900.96 - Step 4: Simplify right side
266,283.36x = 53,046,206,127.24 - Step 5: Solve for x
x = 53,046,206,127.24/266,283.36 - Step 6: Final answer
x = 199,209.62
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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.