Finding the Fourth Proportional to 74,817.74, 112,207.40 and 22,215.02
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Solution
The fourth proportional to 74,817.74, 112,207.40 and 22,215.02 is: 33,316.83
Step by Step Solution
- Step 1: Write the proportion equation
74,817.74 : 112,207.40 = 22,215.02 : x - Step 2: Convert to fraction form
74,817.74/112,207.40 = 22,215.02/x - Step 3: Cross multiply
74,817.74x = 112,207.40 × 22,215.02 - Step 4: Simplify right side
74,817.74x = 2,492,689,635.15 - Step 5: Solve for x
x = 2,492,689,635.15/74,817.74 - Step 6: Final answer
x = 33,316.83
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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.