Finding the Fourth Proportional to 178,565.31, 246,394.10 and 106,930.13
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Solution
The fourth proportional to 178,565.31, 246,394.10 and 106,930.13 is: 147,547.99
Step by Step Solution
- Step 1: Write the proportion equation
178,565.31 : 246,394.10 = 106,930.13 : x - Step 2: Convert to fraction form
178,565.31/246,394.10 = 106,930.13/x - Step 3: Cross multiply
178,565.31x = 246,394.10 × 106,930.13 - Step 4: Simplify right side
178,565.31x = 26,346,952,179.59 - Step 5: Solve for x
x = 26,346,952,179.59/178,565.31 - Step 6: Final answer
x = 147,547.99
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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.