Finding the Fourth Proportional to 79,154.40, 118,718.64 and 29,257.88
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Solution
The fourth proportional to 79,154.40, 118,718.64 and 29,257.88 is: 43,882.03
Step by Step Solution
- Step 1: Write the proportion equation
79,154.40 : 118,718.64 = 29,257.88 : x - Step 2: Convert to fraction form
79,154.40/118,718.64 = 29,257.88/x - Step 3: Cross multiply
79,154.40x = 118,718.64 × 29,257.88 - Step 4: Simplify right side
79,154.40x = 3,473,455,722.88 - Step 5: Solve for x
x = 3,473,455,722.88/79,154.40 - Step 6: Final answer
x = 43,882.03
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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.