Finding the Fourth Proportional to 411,389.80, 617,084.70 and 224,765.80
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Solution
The fourth proportional to 411,389.80, 617,084.70 and 224,765.80 is: 337,148.70
Step by Step Solution
- Step 1: Write the proportion equation
411,389.80 : 617,084.70 = 224,765.80 : x - Step 2: Convert to fraction form
411,389.80/617,084.70 = 224,765.80/x - Step 3: Cross multiply
411,389.80x = 617,084.70 × 224,765.80 - Step 4: Simplify right side
411,389.80x = 138,699,536,263.26 - Step 5: Solve for x
x = 138,699,536,263.26/411,389.80 - Step 6: Final answer
x = 337,148.70
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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.