Finding the Fourth Proportional to 266,029.80, 399,048.21 and 88,536.84
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Solution
The fourth proportional to 266,029.80, 399,048.21 and 88,536.84 is: 132,806.43
Step by Step Solution
- Step 1: Write the proportion equation
266,029.80 : 399,048.21 = 88,536.84 : x - Step 2: Convert to fraction form
266,029.80/399,048.21 = 88,536.84/x - Step 3: Cross multiply
266,029.80x = 399,048.21 × 88,536.84 - Step 4: Simplify right side
266,029.80x = 35,330,467,521.06 - Step 5: Solve for x
x = 35,330,467,521.06/266,029.80 - Step 6: Final answer
x = 132,806.43
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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.