Finding the Fourth Proportional to 587,232.80, 880,849.20 and 213,207.20
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Solution
The fourth proportional to 587,232.80, 880,849.20 and 213,207.20 is: 319,810.80
Step by Step Solution
- Step 1: Write the proportion equation
587,232.80 : 880,849.20 = 213,207.20 : x - Step 2: Convert to fraction form
587,232.80/880,849.20 = 213,207.20/x - Step 3: Cross multiply
587,232.80x = 880,849.20 × 213,207.20 - Step 4: Simplify right side
587,232.80x = 187,803,391,554.24 - Step 5: Solve for x
x = 187,803,391,554.24/587,232.80 - Step 6: Final answer
x = 319,810.80
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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.