Finding the Fourth Proportional to 248,867.79, 343,433.16 and 135,690.54
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Solution
The fourth proportional to 248,867.79, 343,433.16 and 135,690.54 is: 187,250.55
Step by Step Solution
- Step 1: Write the proportion equation
248,867.79 : 343,433.16 = 135,690.54 : x - Step 2: Convert to fraction form
248,867.79/343,433.16 = 135,690.54/x - Step 3: Cross multiply
248,867.79x = 343,433.16 × 135,690.54 - Step 4: Simplify right side
248,867.79x = 46,600,630,934.31 - Step 5: Solve for x
x = 46,600,630,934.31/248,867.79 - Step 6: Final answer
x = 187,250.55
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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.