Finding the Fourth Proportional to 251,701.52, 347,340.84 and 138,521.84
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Solution
The fourth proportional to 251,701.52, 347,340.84 and 138,521.84 is: 191,156.15
Step by Step Solution
- Step 1: Write the proportion equation
251,701.52 : 347,340.84 = 138,521.84 : x - Step 2: Convert to fraction form
251,701.52/347,340.84 = 138,521.84/x - Step 3: Cross multiply
251,701.52x = 347,340.84 × 138,521.84 - Step 4: Simplify right side
251,701.52x = 48,114,292,263.95 - Step 5: Solve for x
x = 48,114,292,263.95/251,701.52 - Step 6: Final answer
x = 191,156.15
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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.