Finding the Fourth Proportional to 561,858.53, 775,367.74 and 307,209.71
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Solution
The fourth proportional to 561,858.53, 775,367.74 and 307,209.71 is: 423,951.03
Step by Step Solution
- Step 1: Write the proportion equation
561,858.53 : 775,367.74 = 307,209.71 : x - Step 2: Convert to fraction form
561,858.53/775,367.74 = 307,209.71/x - Step 3: Cross multiply
561,858.53x = 775,367.74 × 307,209.71 - Step 4: Simplify right side
561,858.53x = 238,200,500,871.19 - Step 5: Solve for x
x = 238,200,500,871.19/561,858.53 - Step 6: Final answer
x = 423,951.03
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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.