Finding the Fourth Proportional to 373,257.20, 559,885.80 and 207,369.20
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Solution
The fourth proportional to 373,257.20, 559,885.80 and 207,369.20 is: 311,053.80
Step by Step Solution
- Step 1: Write the proportion equation
373,257.20 : 559,885.80 = 207,369.20 : x - Step 2: Convert to fraction form
373,257.20/559,885.80 = 207,369.20/x - Step 3: Cross multiply
373,257.20x = 559,885.80 × 207,369.20 - Step 4: Simplify right side
373,257.20x = 116,103,070,437.36 - Step 5: Solve for x
x = 116,103,070,437.36/373,257.20 - Step 6: Final answer
x = 311,053.80
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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.