Finding the Fourth Proportional to 409,322.58, 564,709.86 and 248,118.84
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Solution
The fourth proportional to 409,322.58, 564,709.86 and 248,118.84 is: 342,309.86
Step by Step Solution
- Step 1: Write the proportion equation
409,322.58 : 564,709.86 = 248,118.84 : x - Step 2: Convert to fraction form
409,322.58/564,709.86 = 248,118.84/x - Step 3: Cross multiply
409,322.58x = 564,709.86 × 248,118.84 - Step 4: Simplify right side
409,322.58x = 140,115,155,399.76 - Step 5: Solve for x
x = 140,115,155,399.76/409,322.58 - Step 6: Final answer
x = 342,309.86
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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.