Finding the Fourth Proportional to 251,679.02, 347,316.84 and 138,501.77
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Solution
The fourth proportional to 251,679.02, 347,316.84 and 138,501.77 is: 191,132.33
Step by Step Solution
- Step 1: Write the proportion equation
251,679.02 : 347,316.84 = 138,501.77 : x - Step 2: Convert to fraction form
251,679.02/347,316.84 = 138,501.77/x - Step 3: Cross multiply
251,679.02x = 347,316.84 × 138,501.77 - Step 4: Simplify right side
251,679.02x = 48,103,995,354.22 - Step 5: Solve for x
x = 48,103,995,354.22/251,679.02 - Step 6: Final answer
x = 191,132.33
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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.