Finding the Fourth Proportional to 292,014.28, 402,977.94 and 157,877.96
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Solution
The fourth proportional to 292,014.28, 402,977.94 and 157,877.96 is: 217,870.63
Step by Step Solution
- Step 1: Write the proportion equation
292,014.28 : 402,977.94 = 157,877.96 : x - Step 2: Convert to fraction form
292,014.28/402,977.94 = 157,877.96/x - Step 3: Cross multiply
292,014.28x = 402,977.94 × 157,877.96 - Step 4: Simplify right side
292,014.28x = 63,621,335,092.20 - Step 5: Solve for x
x = 63,621,335,092.20/292,014.28 - Step 6: Final answer
x = 217,870.63
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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.