Finding the Fourth Proportional to 246,323.16, 339,897.08 and 138,886.79
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Solution
The fourth proportional to 246,323.16, 339,897.08 and 138,886.79 is: 191,647.48
Step by Step Solution
- Step 1: Write the proportion equation
246,323.16 : 339,897.08 = 138,886.79 : x - Step 2: Convert to fraction form
246,323.16/339,897.08 = 138,886.79/x - Step 3: Cross multiply
246,323.16x = 339,897.08 × 138,886.79 - Step 4: Simplify right side
246,323.16x = 47,207,213,019.30 - Step 5: Solve for x
x = 47,207,213,019.30/246,323.16 - Step 6: Final answer
x = 191,647.48
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1.5x scale
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.