Finding the Fourth Proportional to 101,072.70, 151,479.45 and 48,368.70
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Solution
The fourth proportional to 101,072.70, 151,479.45 and 48,368.70 is: 72,491.03
Step by Step Solution
- Step 1: Write the proportion equation
101,072.70 : 151,479.45 = 48,368.70 : x - Step 2: Convert to fraction form
101,072.70/151,479.45 = 48,368.70/x - Step 3: Cross multiply
101,072.70x = 151,479.45 × 48,368.70 - Step 4: Simplify right side
101,072.70x = 7,326,864,073.22 - Step 5: Solve for x
x = 7,326,864,073.22/101,072.70 - Step 6: Final answer
x = 72,491.03
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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.