Finding the Fourth Proportional to 523,430.14, 784,716.12 and 186,278.81
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Solution
The fourth proportional to 523,430.14, 784,716.12 and 186,278.81 is: 279,265.50
Step by Step Solution
- Step 1: Write the proportion equation
523,430.14 : 784,716.12 = 186,278.81 : x - Step 2: Convert to fraction form
523,430.14/784,716.12 = 186,278.81/x - Step 3: Cross multiply
523,430.14x = 784,716.12 × 186,278.81 - Step 4: Simplify right side
523,430.14x = 146,175,980,166.44 - Step 5: Solve for x
x = 146,175,980,166.44/523,430.14 - Step 6: Final answer
x = 279,265.50
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1.5x scale
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.