Finding the Fourth Proportional to 653,693.14, 980,286.99 and 254,279.98
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Solution
The fourth proportional to 653,693.14, 980,286.99 and 254,279.98 is: 381,321.66
Step by Step Solution
- Step 1: Write the proportion equation
653,693.14 : 980,286.99 = 254,279.98 : x - Step 2: Convert to fraction form
653,693.14/980,286.99 = 254,279.98/x - Step 3: Cross multiply
653,693.14x = 980,286.99 × 254,279.98 - Step 4: Simplify right side
653,693.14x = 249,267,356,211.46 - Step 5: Solve for x
x = 249,267,356,211.46/653,693.14 - Step 6: Final answer
x = 381,321.66
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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.