Finding the Fourth Proportional to 192,782.84, 266,040.26 and 107,899.88
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Solution
The fourth proportional to 192,782.84, 266,040.26 and 107,899.88 is: 148,901.80
Step by Step Solution
- Step 1: Write the proportion equation
192,782.84 : 266,040.26 = 107,899.88 : x - Step 2: Convert to fraction form
192,782.84/266,040.26 = 107,899.88/x - Step 3: Cross multiply
192,782.84x = 266,040.26 × 107,899.88 - Step 4: Simplify right side
192,782.84x = 28,705,712,129.17 - Step 5: Solve for x
x = 28,705,712,129.17/192,782.84 - Step 6: Final answer
x = 148,901.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.