Finding the Fourth Proportional to 251,877.24, 347,590.98 and 138,700.44
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Solution
The fourth proportional to 251,877.24, 347,590.98 and 138,700.44 is: 191,406.82
Step by Step Solution
- Step 1: Write the proportion equation
251,877.24 : 347,590.98 = 138,700.44 : x - Step 2: Convert to fraction form
251,877.24/347,590.98 = 138,700.44/x - Step 3: Cross multiply
251,877.24x = 347,590.98 × 138,700.44 - Step 4: Simplify right side
251,877.24x = 48,211,021,866.03 - Step 5: Solve for x
x = 48,211,021,866.03/251,877.24 - Step 6: Final answer
x = 191,406.82
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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.