Finding the Fourth Proportional to 239,497.80, 359,257.74 and 81,727.80
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Solution
The fourth proportional to 239,497.80, 359,257.74 and 81,727.80 is: 122,595.47
Step by Step Solution
- Step 1: Write the proportion equation
239,497.80 : 359,257.74 = 81,727.80 : x - Step 2: Convert to fraction form
239,497.80/359,257.74 = 81,727.80/x - Step 3: Cross multiply
239,497.80x = 359,257.74 × 81,727.80 - Step 4: Simplify right side
239,497.80x = 29,361,344,723.17 - Step 5: Solve for x
x = 29,361,344,723.17/239,497.80 - Step 6: Final answer
x = 122,595.47
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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.