Finding the Fourth Proportional to 753,460.76, 1,130,199.92 and 220,992.41
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Solution
The fourth proportional to 753,460.76, 1,130,199.92 and 220,992.41 is: 331,491.19
Step by Step Solution
- Step 1: Write the proportion equation
753,460.76 : 1,130,199.92 = 220,992.41 : x - Step 2: Convert to fraction form
753,460.76/1,130,199.92 = 220,992.41/x - Step 3: Cross multiply
753,460.76x = 1,130,199.92 × 220,992.41 - Step 4: Simplify right side
753,460.76x = 249,765,604,102.61 - Step 5: Solve for x
x = 249,765,604,102.61/753,460.76 - Step 6: Final answer
x = 331,491.19
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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.