Finding the Fourth Proportional to 260,042.97, 390,036.51 and 176,340.41
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Solution
The fourth proportional to 260,042.97, 390,036.51 and 176,340.41 is: 264,491.66
Step by Step Solution
- Step 1: Write the proportion equation
260,042.97 : 390,036.51 = 176,340.41 : x - Step 2: Convert to fraction form
260,042.97/390,036.51 = 176,340.41/x - Step 3: Cross multiply
260,042.97x = 390,036.51 × 176,340.41 - Step 4: Simplify right side
260,042.97x = 68,779,196,138.19 - Step 5: Solve for x
x = 68,779,196,138.19/260,042.97 - Step 6: Final answer
x = 264,491.66
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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.