Finding the Fourth Proportional to 558,138.10, 836,708.70 and 202,901.87
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Solution
The fourth proportional to 558,138.10, 836,708.70 and 202,901.87 is: 304,171.60
Step by Step Solution
- Step 1: Write the proportion equation
558,138.10 : 836,708.70 = 202,901.87 : x - Step 2: Convert to fraction form
558,138.10/836,708.70 = 202,901.87/x - Step 3: Cross multiply
558,138.10x = 836,708.70 × 202,901.87 - Step 4: Simplify right side
558,138.10x = 169,769,759,875.27 - Step 5: Solve for x
x = 169,769,759,875.27/558,138.10 - Step 6: Final answer
x = 304,171.60
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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.