Finding the Fourth Proportional to 340,204.68, 469,482.48 and 196,972.20
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Solution
The fourth proportional to 340,204.68, 469,482.48 and 196,972.20 is: 271,821.65
Step by Step Solution
- Step 1: Write the proportion equation
340,204.68 : 469,482.48 = 196,972.20 : x - Step 2: Convert to fraction form
340,204.68/469,482.48 = 196,972.20/x - Step 3: Cross multiply
340,204.68x = 469,482.48 × 196,972.20 - Step 4: Simplify right side
340,204.68x = 92,474,996,947.06 - Step 5: Solve for x
x = 92,474,996,947.06/340,204.68 - Step 6: Final answer
x = 271,821.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.