Finding the Fourth Proportional to 251,993.04, 347,747.76 and 138,813.36
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Solution
The fourth proportional to 251,993.04, 347,747.76 and 138,813.36 is: 191,560.99
Step by Step Solution
- Step 1: Write the proportion equation
251,993.04 : 347,747.76 = 138,813.36 : x - Step 2: Convert to fraction form
251,993.04/347,747.76 = 138,813.36/x - Step 3: Cross multiply
251,993.04x = 347,747.76 × 138,813.36 - Step 4: Simplify right side
251,993.04x = 48,272,034,998.07 - Step 5: Solve for x
x = 48,272,034,998.07/251,993.04 - Step 6: Final answer
x = 191,560.99
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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.