Finding the Fourth Proportional to 411,458.28, 567,785.62 and 230,138.76
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Solution
The fourth proportional to 411,458.28, 567,785.62 and 230,138.76 is: 317,576.50
Step by Step Solution
- Step 1: Write the proportion equation
411,458.28 : 567,785.62 = 230,138.76 : x - Step 2: Convert to fraction form
411,458.28/567,785.62 = 230,138.76/x - Step 3: Cross multiply
411,458.28x = 567,785.62 × 230,138.76 - Step 4: Simplify right side
411,458.28x = 130,669,478,532.63 - Step 5: Solve for x
x = 130,669,478,532.63/411,458.28 - Step 6: Final answer
x = 317,576.50
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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.