Finding the Fourth Proportional to 309,251.98, 463,967.88 and 129,422.26
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Solution
The fourth proportional to 309,251.98, 463,967.88 and 129,422.26 is: 194,171.02
Step by Step Solution
- Step 1: Write the proportion equation
309,251.98 : 463,967.88 = 129,422.26 : x - Step 2: Convert to fraction form
309,251.98/463,967.88 = 129,422.26/x - Step 3: Cross multiply
309,251.98x = 463,967.88 × 129,422.26 - Step 4: Simplify right side
309,251.98x = 60,047,771,597.01 - Step 5: Solve for x
x = 60,047,771,597.01/309,251.98 - Step 6: Final answer
x = 194,171.02
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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.