Finding the Fourth Proportional to 239,404.68, 330,374.34 and 131,984.68
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Solution
The fourth proportional to 239,404.68, 330,374.34 and 131,984.68 is: 182,136.59
Step by Step Solution
- Step 1: Write the proportion equation
239,404.68 : 330,374.34 = 131,984.68 : x - Step 2: Convert to fraction form
239,404.68/330,374.34 = 131,984.68/x - Step 3: Cross multiply
239,404.68x = 330,374.34 × 131,984.68 - Step 4: Simplify right side
239,404.68x = 43,604,351,545.11 - Step 5: Solve for x
x = 43,604,351,545.11/239,404.68 - Step 6: Final answer
x = 182,136.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.