Finding the Fourth Proportional to 159,762.12, 220,432.34 and 97,656.94
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Solution
The fourth proportional to 159,762.12, 220,432.34 and 97,656.94 is: 134,742.50
Step by Step Solution
- Step 1: Write the proportion equation
159,762.12 : 220,432.34 = 97,656.94 : x - Step 2: Convert to fraction form
159,762.12/220,432.34 = 97,656.94/x - Step 3: Cross multiply
159,762.12x = 220,432.34 × 97,656.94 - Step 4: Simplify right side
159,762.12x = 21,526,747,801.44 - Step 5: Solve for x
x = 21,526,747,801.44/159,762.12 - Step 6: Final answer
x = 134,742.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.