Finding the Fourth Proportional to 299,121.18, 448,681.96 and 88,757.26
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Solution
The fourth proportional to 299,121.18, 448,681.96 and 88,757.26 is: 133,135.95
Step by Step Solution
- Step 1: Write the proportion equation
299,121.18 : 448,681.96 = 88,757.26 : x - Step 2: Convert to fraction form
299,121.18/448,681.96 = 88,757.26/x - Step 3: Cross multiply
299,121.18x = 448,681.96 × 88,757.26 - Step 4: Simplify right side
299,121.18x = 39,823,781,381.03 - Step 5: Solve for x
x = 39,823,781,381.03/299,121.18 - Step 6: Final answer
x = 133,135.95
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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.