Finding the Fourth Proportional to 408,395.97, 563,503.86 and 238,597.29
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Solution
The fourth proportional to 408,395.97, 563,503.86 and 238,597.29 is: 329,216.02
Step by Step Solution
- Step 1: Write the proportion equation
408,395.97 : 563,503.86 = 238,597.29 : x - Step 2: Convert to fraction form
408,395.97/563,503.86 = 238,597.29/x - Step 3: Cross multiply
408,395.97x = 563,503.86 × 238,597.29 - Step 4: Simplify right side
408,395.97x = 134,450,493,900.54 - Step 5: Solve for x
x = 134,450,493,900.54/408,395.97 - Step 6: Final answer
x = 329,216.02
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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.