Finding the Fourth Proportional to 372,003.21, 513,368.06 and 202,240.98
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Solution
The fourth proportional to 372,003.21, 513,368.06 and 202,240.98 is: 279,094.52
Step by Step Solution
- Step 1: Write the proportion equation
372,003.21 : 513,368.06 = 202,240.98 : x - Step 2: Convert to fraction form
372,003.21/513,368.06 = 202,240.98/x - Step 3: Cross multiply
372,003.21x = 513,368.06 × 202,240.98 - Step 4: Simplify right side
372,003.21x = 103,824,058,543.89 - Step 5: Solve for x
x = 103,824,058,543.89/372,003.21 - Step 6: Final answer
x = 279,094.52
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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.