Finding the Fourth Proportional to 157,136.64, 235,687.68 and 46,337.28
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Solution
The fourth proportional to 157,136.64, 235,687.68 and 46,337.28 is: 69,500.82
Step by Step Solution
- Step 1: Write the proportion equation
157,136.64 : 235,687.68 = 46,337.28 : x - Step 2: Convert to fraction form
157,136.64/235,687.68 = 46,337.28/x - Step 3: Cross multiply
157,136.64x = 235,687.68 × 46,337.28 - Step 4: Simplify right side
157,136.64x = 10,921,126,020.71 - Step 5: Solve for x
x = 10,921,126,020.71/157,136.64 - Step 6: Final answer
x = 69,500.82
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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.