Finding the Fourth Proportional to 251,280.84, 346,752.90 and 138,103.68
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Solution
The fourth proportional to 251,280.84, 346,752.90 and 138,103.68 is: 190,575.02
Step by Step Solution
- Step 1: Write the proportion equation
251,280.84 : 346,752.90 = 138,103.68 : x - Step 2: Convert to fraction form
251,280.84/346,752.90 = 138,103.68/x - Step 3: Cross multiply
251,280.84x = 346,752.90 × 138,103.68 - Step 4: Simplify right side
251,280.84x = 47,887,851,540.67 - Step 5: Solve for x
x = 47,887,851,540.67/251,280.84 - Step 6: Final answer
x = 190,575.02
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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.