Finding the Fourth Proportional to 202,475.07, 279,126.90 and 157,072.95
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Solution
The fourth proportional to 202,475.07, 279,126.90 and 157,072.95 is: 216,536.71
Step by Step Solution
- Step 1: Write the proportion equation
202,475.07 : 279,126.90 = 157,072.95 : x - Step 2: Convert to fraction form
202,475.07/279,126.90 = 157,072.95/x - Step 3: Cross multiply
202,475.07x = 279,126.90 × 157,072.95 - Step 4: Simplify right side
202,475.07x = 43,843,285,607.36 - Step 5: Solve for x
x = 43,843,285,607.36/202,475.07 - Step 6: Final answer
x = 216,536.71
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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.