Finding the Fourth Proportional to 101,777.76, 152,689.68 and 39,466.08
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Solution
The fourth proportional to 101,777.76, 152,689.68 and 39,466.08 is: 59,208.05
Step by Step Solution
- Step 1: Write the proportion equation
101,777.76 : 152,689.68 = 39,466.08 : x - Step 2: Convert to fraction form
101,777.76/152,689.68 = 39,466.08/x - Step 3: Cross multiply
101,777.76x = 152,689.68 × 39,466.08 - Step 4: Simplify right side
101,777.76x = 6,026,063,126.05 - Step 5: Solve for x
x = 6,026,063,126.05/101,777.76 - Step 6: Final answer
x = 59,208.05
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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.