Finding the Fourth Proportional to 157,115.99, 235,710.89 and 51,934.96
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Solution
The fourth proportional to 157,115.99, 235,710.89 and 51,934.96 is: 77,914.64
Step by Step Solution
- Step 1: Write the proportion equation
157,115.99 : 235,710.89 = 51,934.96 : x - Step 2: Convert to fraction form
157,115.99/235,710.89 = 51,934.96/x - Step 3: Cross multiply
157,115.99x = 235,710.89 × 51,934.96 - Step 4: Simplify right side
157,115.99x = 12,241,635,643.71 - Step 5: Solve for x
x = 12,241,635,643.71/157,115.99 - Step 6: Final answer
x = 77,914.64
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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.