Finding the Fourth Proportional to 523,095.80, 784,449.30 and 207,487.40
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Solution
The fourth proportional to 523,095.80, 784,449.30 and 207,487.40 is: 311,153.99
Step by Step Solution
- Step 1: Write the proportion equation
523,095.80 : 784,449.30 = 207,487.40 : x - Step 2: Convert to fraction form
523,095.80/784,449.30 = 207,487.40/x - Step 3: Cross multiply
523,095.80x = 784,449.30 × 207,487.40 - Step 4: Simplify right side
523,095.80x = 162,763,345,688.82 - Step 5: Solve for x
x = 162,763,345,688.82/523,095.80 - Step 6: Final answer
x = 311,153.99
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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.