Finding the Fourth Proportional to 635,643.24, 953,231.22 and 256,462.62
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Solution
The fourth proportional to 635,643.24, 953,231.22 and 256,462.62 is: 384,599.66
Step by Step Solution
- Step 1: Write the proportion equation
635,643.24 : 953,231.22 = 256,462.62 : x - Step 2: Convert to fraction form
635,643.24/953,231.22 = 256,462.62/x - Step 3: Cross multiply
635,643.24x = 953,231.22 × 256,462.62 - Step 4: Simplify right side
635,643.24x = 244,468,176,147.00 - Step 5: Solve for x
x = 244,468,176,147.00/635,643.24 - Step 6: Final answer
x = 384,599.66
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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.