Finding the Fourth Proportional to 178,237.10, 245,943.86 and 106,590.98
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Solution
The fourth proportional to 178,237.10, 245,943.86 and 106,590.98 is: 147,081.60
Step by Step Solution
- Step 1: Write the proportion equation
178,237.10 : 245,943.86 = 106,590.98 : x - Step 2: Convert to fraction form
178,237.10/245,943.86 = 106,590.98/x - Step 3: Cross multiply
178,237.10x = 245,943.86 × 106,590.98 - Step 4: Simplify right side
178,237.10x = 26,215,397,062.38 - Step 5: Solve for x
x = 26,215,397,062.38/178,237.10 - Step 6: Final answer
x = 147,081.60
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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.