Finding the Fourth Proportional to 202,397.93, 279,192.05 and 130,777.95
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Solution
The fourth proportional to 202,397.93, 279,192.05 and 130,777.95 is: 180,397.91
Step by Step Solution
- Step 1: Write the proportion equation
202,397.93 : 279,192.05 = 130,777.95 : x - Step 2: Convert to fraction form
202,397.93/279,192.05 = 130,777.95/x - Step 3: Cross multiply
202,397.93x = 279,192.05 × 130,777.95 - Step 4: Simplify right side
202,397.93x = 36,512,163,955.30 - Step 5: Solve for x
x = 36,512,163,955.30/202,397.93 - Step 6: Final answer
x = 180,397.91
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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.