Finding the Fourth Proportional to 251,952.58, 347,695.50 and 138,775.06
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Solution
The fourth proportional to 251,952.58, 347,695.50 and 138,775.06 is: 191,510.10
Step by Step Solution
- Step 1: Write the proportion equation
251,952.58 : 347,695.50 = 138,775.06 : x - Step 2: Convert to fraction form
251,952.58/347,695.50 = 138,775.06/x - Step 3: Cross multiply
251,952.58x = 347,695.50 × 138,775.06 - Step 4: Simplify right side
251,952.58x = 48,251,463,874.23 - Step 5: Solve for x
x = 48,251,463,874.23/251,952.58 - Step 6: Final answer
x = 191,510.10
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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.