Finding the Fourth Proportional to 523,081.80, 784,428.30 and 207,473.40
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Solution
The fourth proportional to 523,081.80, 784,428.30 and 207,473.40 is: 311,132.99
Step by Step Solution
- Step 1: Write the proportion equation
523,081.80 : 784,428.30 = 207,473.40 : x - Step 2: Convert to fraction form
523,081.80/784,428.30 = 207,473.40/x - Step 3: Cross multiply
523,081.80x = 784,428.30 × 207,473.40 - Step 4: Simplify right side
523,081.80x = 162,748,006,457.22 - Step 5: Solve for x
x = 162,748,006,457.22/523,081.80 - Step 6: Final answer
x = 311,132.99
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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.