Finding the Fourth Proportional to 371,971.84, 513,377.28 and 226,861.84
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Solution
The fourth proportional to 371,971.84, 513,377.28 and 226,861.84 is: 313,103.58
Step by Step Solution
- Step 1: Write the proportion equation
371,971.84 : 513,377.28 = 226,861.84 : x - Step 2: Convert to fraction form
371,971.84/513,377.28 = 226,861.84/x - Step 3: Cross multiply
371,971.84x = 513,377.28 × 226,861.84 - Step 4: Simplify right side
371,971.84x = 116,465,714,355.00 - Step 5: Solve for x
x = 116,465,714,355.00/371,971.84 - Step 6: Final answer
x = 313,103.58
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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.