Finding the Fourth Proportional to 743,396.52, 1,115,137.14 and 210,875.88
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Solution
The fourth proportional to 743,396.52, 1,115,137.14 and 210,875.88 is: 316,325.84
Step by Step Solution
- Step 1: Write the proportion equation
743,396.52 : 1,115,137.14 = 210,875.88 : x - Step 2: Convert to fraction form
743,396.52/1,115,137.14 = 210,875.88/x - Step 3: Cross multiply
743,396.52x = 1,115,137.14 × 210,875.88 - Step 4: Simplify right side
743,396.52x = 235,155,525,718.18 - Step 5: Solve for x
x = 235,155,525,718.18/743,396.52 - Step 6: Final answer
x = 316,325.84
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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.