Finding the Fourth Proportional to 101,246.30, 151,912.65 and 48,628.70
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Solution
The fourth proportional to 101,246.30, 151,912.65 and 48,628.70 is: 72,963.80
Step by Step Solution
- Step 1: Write the proportion equation
101,246.30 : 151,912.65 = 48,628.70 : x - Step 2: Convert to fraction form
101,246.30/151,912.65 = 48,628.70/x - Step 3: Cross multiply
101,246.30x = 151,912.65 × 48,628.70 - Step 4: Simplify right side
101,246.30x = 7,387,314,683.06 - Step 5: Solve for x
x = 7,387,314,683.06/101,246.30 - Step 6: Final answer
x = 72,963.80
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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.