Finding the Fourth Proportional to 542,202.77, 748,283.01 and 300,508.49
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Solution
The fourth proportional to 542,202.77, 748,283.01 and 300,508.49 is: 414,725.65
Step by Step Solution
- Step 1: Write the proportion equation
542,202.77 : 748,283.01 = 300,508.49 : x - Step 2: Convert to fraction form
542,202.77/748,283.01 = 300,508.49/x - Step 3: Cross multiply
542,202.77x = 748,283.01 × 300,508.49 - Step 4: Simplify right side
542,202.77x = 224,865,397,427.76 - Step 5: Solve for x
x = 224,865,397,427.76/542,202.77 - Step 6: Final answer
x = 414,725.65
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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.