Finding the Fourth Proportional to 178,345.22, 246,108.65 and 106,764.71
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Solution
The fourth proportional to 178,345.22, 246,108.65 and 106,764.71 is: 147,330.66
Step by Step Solution
- Step 1: Write the proportion equation
178,345.22 : 246,108.65 = 106,764.71 : x - Step 2: Convert to fraction form
178,345.22/246,108.65 = 106,764.71/x - Step 3: Cross multiply
178,345.22x = 246,108.65 × 106,764.71 - Step 4: Simplify right side
178,345.22x = 26,275,718,474.38 - Step 5: Solve for x
x = 26,275,718,474.38/178,345.22 - Step 6: Final answer
x = 147,330.66
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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.