Finding the Fourth Proportional to 408,987.87, 564,257.17 and 236,811.84
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Solution
The fourth proportional to 408,987.87, 564,257.17 and 236,811.84 is: 326,715.75
Step by Step Solution
- Step 1: Write the proportion equation
408,987.87 : 564,257.17 = 236,811.84 : x - Step 2: Convert to fraction form
408,987.87/564,257.17 = 236,811.84/x - Step 3: Cross multiply
408,987.87x = 564,257.17 × 236,811.84 - Step 4: Simplify right side
408,987.87x = 133,622,776,840.94 - Step 5: Solve for x
x = 133,622,776,840.94/408,987.87 - Step 6: Final answer
x = 326,715.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.