Finding the Fourth Proportional to 299,397.68, 449,420.04 and 266,329.52
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Solution
The fourth proportional to 299,397.68, 449,420.04 and 266,329.52 is: 399,782.07
Step by Step Solution
- Step 1: Write the proportion equation
299,397.68 : 449,420.04 = 266,329.52 : x - Step 2: Convert to fraction form
299,397.68/449,420.04 = 266,329.52/x - Step 3: Cross multiply
299,397.68x = 449,420.04 × 266,329.52 - Step 4: Simplify right side
299,397.68x = 119,693,823,531.58 - Step 5: Solve for x
x = 119,693,823,531.58/299,397.68 - Step 6: Final answer
x = 399,782.07
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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.