Finding the Fourth Proportional to 101,800.74, 152,627.30 and 68,438.10
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Solution
The fourth proportional to 101,800.74, 152,627.30 and 68,438.10 is: 102,607.53
Step by Step Solution
- Step 1: Write the proportion equation
101,800.74 : 152,627.30 = 68,438.10 : x - Step 2: Convert to fraction form
101,800.74/152,627.30 = 68,438.10/x - Step 3: Cross multiply
101,800.74x = 152,627.30 × 68,438.10 - Step 4: Simplify right side
101,800.74x = 10,445,522,420.13 - Step 5: Solve for x
x = 10,445,522,420.13/101,800.74 - Step 6: Final answer
x = 102,607.53
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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.