Finding the Fourth Proportional to 411,425.60, 567,538.76 and 239,324.19
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Solution
The fourth proportional to 411,425.60, 567,538.76 and 239,324.19 is: 330,134.43
Step by Step Solution
- Step 1: Write the proportion equation
411,425.60 : 567,538.76 = 239,324.19 : x - Step 2: Convert to fraction form
411,425.60/567,538.76 = 239,324.19/x - Step 3: Cross multiply
411,425.60x = 567,538.76 × 239,324.19 - Step 4: Simplify right side
411,425.60x = 135,825,752,500.65 - Step 5: Solve for x
x = 135,825,752,500.65/411,425.60 - Step 6: Final answer
x = 330,134.43
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1.5x scale
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.