Finding the Fourth Proportional to 371,013.68, 555,774.20 and 281,209.99
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Solution
The fourth proportional to 371,013.68, 555,774.20 and 281,209.99 is: 421,249.31
Step by Step Solution
- Step 1: Write the proportion equation
371,013.68 : 555,774.20 = 281,209.99 : x - Step 2: Convert to fraction form
371,013.68/555,774.20 = 281,209.99/x - Step 3: Cross multiply
371,013.68x = 555,774.20 × 281,209.99 - Step 4: Simplify right side
371,013.68x = 156,289,255,483.31 - Step 5: Solve for x
x = 156,289,255,483.31/371,013.68 - Step 6: Final answer
x = 421,249.31
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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.