Finding the Fourth Proportional to 79,154.19, 118,703.91 and 22,979.07
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Solution
The fourth proportional to 79,154.19, 118,703.91 and 22,979.07 is: 34,460.66
Step by Step Solution
- Step 1: Write the proportion equation
79,154.19 : 118,703.91 = 22,979.07 : x - Step 2: Convert to fraction form
79,154.19/118,703.91 = 22,979.07/x - Step 3: Cross multiply
79,154.19x = 118,703.91 × 22,979.07 - Step 4: Simplify right side
79,154.19x = 2,727,705,457.16 - Step 5: Solve for x
x = 2,727,705,457.16/79,154.19 - Step 6: Final answer
x = 34,460.66
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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.