Finding the Fourth Proportional to 224,136.84, 309,273.30 and 126,000.68
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Solution
The fourth proportional to 224,136.84, 309,273.30 and 126,000.68 is: 173,860.95
Step by Step Solution
- Step 1: Write the proportion equation
224,136.84 : 309,273.30 = 126,000.68 : x - Step 2: Convert to fraction form
224,136.84/309,273.30 = 126,000.68/x - Step 3: Cross multiply
224,136.84x = 309,273.30 × 126,000.68 - Step 4: Simplify right side
224,136.84x = 38,968,644,559.48 - Step 5: Solve for x
x = 38,968,644,559.48/224,136.84 - Step 6: Final answer
x = 173,860.95
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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.