Finding the Fourth Proportional to 178,462.20, 246,277.82 and 103,010.70
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Solution
The fourth proportional to 178,462.20, 246,277.82 and 103,010.70 is: 142,154.75
Step by Step Solution
- Step 1: Write the proportion equation
178,462.20 : 246,277.82 = 103,010.70 : x - Step 2: Convert to fraction form
178,462.20/246,277.82 = 103,010.70/x - Step 3: Cross multiply
178,462.20x = 246,277.82 × 103,010.70 - Step 4: Simplify right side
178,462.20x = 25,369,248,886.23 - Step 5: Solve for x
x = 25,369,248,886.23/178,462.20 - Step 6: Final answer
x = 142,154.75
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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.