Finding the Fourth Proportional to 368,078.56, 552,117.08 and 115,378.48
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Solution
The fourth proportional to 368,078.56, 552,117.08 and 115,378.48 is: 173,067.48
Step by Step Solution
- Step 1: Write the proportion equation
368,078.56 : 552,117.08 = 115,378.48 : x - Step 2: Convert to fraction form
368,078.56/552,117.08 = 115,378.48/x - Step 3: Cross multiply
368,078.56x = 552,117.08 × 115,378.48 - Step 4: Simplify right side
368,078.56x = 63,702,429,472.44 - Step 5: Solve for x
x = 63,702,429,472.44/368,078.56 - Step 6: Final answer
x = 173,067.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.