Finding the Fourth Proportional to 202,357.52, 279,199.08 and 130,711.44
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Solution
The fourth proportional to 202,357.52, 279,199.08 and 130,711.44 is: 180,346.71
Step by Step Solution
- Step 1: Write the proportion equation
202,357.52 : 279,199.08 = 130,711.44 : x - Step 2: Convert to fraction form
202,357.52/279,199.08 = 130,711.44/x - Step 3: Cross multiply
202,357.52x = 279,199.08 × 130,711.44 - Step 4: Simplify right side
202,357.52x = 36,494,513,793.48 - Step 5: Solve for x
x = 36,494,513,793.48/202,357.52 - Step 6: Final answer
x = 180,346.71
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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.