Finding the Fourth Proportional to 214,029.80, 320,430.30 and 207,885.80
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Solution
The fourth proportional to 214,029.80, 320,430.30 and 207,885.80 is: 311,231.94
Step by Step Solution
- Step 1: Write the proportion equation
214,029.80 : 320,430.30 = 207,885.80 : x - Step 2: Convert to fraction form
214,029.80/320,430.30 = 207,885.80/x - Step 3: Cross multiply
214,029.80x = 320,430.30 × 207,885.80 - Step 4: Simplify right side
214,029.80x = 66,612,909,259.74 - Step 5: Solve for x
x = 66,612,909,259.74/214,029.80 - Step 6: Final answer
x = 311,231.94
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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.