Finding the Fourth Proportional to 101,368.60, 151,856.07 and 48,814.99
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Solution
The fourth proportional to 101,368.60, 151,856.07 and 48,814.99 is: 73,127.70
Step by Step Solution
- Step 1: Write the proportion equation
101,368.60 : 151,856.07 = 48,814.99 : x - Step 2: Convert to fraction form
101,368.60/151,856.07 = 48,814.99/x - Step 3: Cross multiply
101,368.60x = 151,856.07 × 48,814.99 - Step 4: Simplify right side
101,368.60x = 7,412,851,975.79 - Step 5: Solve for x
x = 7,412,851,975.79/101,368.60 - Step 6: Final answer
x = 73,127.70
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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.