Finding the Fourth Proportional to 239,909.24, 357,924.07 and 215,995.88
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Solution
The fourth proportional to 239,909.24, 357,924.07 and 215,995.88 is: 322,247.38
Step by Step Solution
- Step 1: Write the proportion equation
239,909.24 : 357,924.07 = 215,995.88 : x - Step 2: Convert to fraction form
239,909.24/357,924.07 = 215,995.88/x - Step 3: Cross multiply
239,909.24x = 357,924.07 × 215,995.88 - Step 4: Simplify right side
239,909.24x = 77,310,124,472.83 - Step 5: Solve for x
x = 77,310,124,472.83/239,909.24 - Step 6: Final answer
x = 322,247.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.