Finding the Fourth Proportional to 507,471.74, 761,115.60 and 203,853.68
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Solution
The fourth proportional to 507,471.74, 761,115.60 and 203,853.68 is: 305,743.56
Step by Step Solution
- Step 1: Write the proportion equation
507,471.74 : 761,115.60 = 203,853.68 : x - Step 2: Convert to fraction form
507,471.74/761,115.60 = 203,853.68/x - Step 3: Cross multiply
507,471.74x = 761,115.60 × 203,853.68 - Step 4: Simplify right side
507,471.74x = 155,156,215,965.41 - Step 5: Solve for x
x = 155,156,215,965.41/507,471.74 - Step 6: Final answer
x = 305,743.56
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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.