Finding the Fourth Proportional to 409,074.76, 564,340.98 and 239,233.96
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Solution
The fourth proportional to 409,074.76, 564,340.98 and 239,233.96 is: 330,036.32
Step by Step Solution
- Step 1: Write the proportion equation
409,074.76 : 564,340.98 = 239,233.96 : x - Step 2: Convert to fraction form
409,074.76/564,340.98 = 239,233.96/x - Step 3: Cross multiply
409,074.76x = 564,340.98 × 239,233.96 - Step 4: Simplify right side
409,074.76x = 135,009,527,435.68 - Step 5: Solve for x
x = 135,009,527,435.68/409,074.76 - Step 6: Final answer
x = 330,036.32
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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.