Finding the Fourth Proportional to 176,358.86, 243,445.01 and 122,675.02
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Solution
The fourth proportional to 176,358.86, 243,445.01 and 122,675.02 is: 169,340.07
Step by Step Solution
- Step 1: Write the proportion equation
176,358.86 : 243,445.01 = 122,675.02 : x - Step 2: Convert to fraction form
176,358.86/243,445.01 = 122,675.02/x - Step 3: Cross multiply
176,358.86x = 243,445.01 × 122,675.02 - Step 4: Simplify right side
176,358.86x = 29,864,621,470.65 - Step 5: Solve for x
x = 29,864,621,470.65/176,358.86 - Step 6: Final answer
x = 169,340.07
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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.