Finding the Fourth Proportional to 162,129.88, 243,206.44 and 62,290.08
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Solution
The fourth proportional to 162,129.88, 243,206.44 and 62,290.08 is: 93,439.58
Step by Step Solution
- Step 1: Write the proportion equation
162,129.88 : 243,206.44 = 62,290.08 : x - Step 2: Convert to fraction form
162,129.88/243,206.44 = 62,290.08/x - Step 3: Cross multiply
162,129.88x = 243,206.44 × 62,290.08 - Step 4: Simplify right side
162,129.88x = 15,149,348,604.12 - Step 5: Solve for x
x = 15,149,348,604.12/162,129.88 - Step 6: Final answer
x = 93,439.58
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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.