Finding the Fourth Proportional to 558,905.28, 838,407.84 and 159,538.56
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Solution
The fourth proportional to 558,905.28, 838,407.84 and 159,538.56 is: 239,322.09
Step by Step Solution
- Step 1: Write the proportion equation
558,905.28 : 838,407.84 = 159,538.56 : x - Step 2: Convert to fraction form
558,905.28/838,407.84 = 159,538.56/x - Step 3: Cross multiply
558,905.28x = 838,407.84 × 159,538.56 - Step 4: Simplify right side
558,905.28x = 133,758,379,486.31 - Step 5: Solve for x
x = 133,758,379,486.31/558,905.28 - Step 6: Final answer
x = 239,322.09
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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.