Finding the Fourth Proportional to 172,586.06, 237,964.97 and 118,164.62
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Solution
The fourth proportional to 172,586.06, 237,964.97 and 118,164.62 is: 162,927.64
Step by Step Solution
- Step 1: Write the proportion equation
172,586.06 : 237,964.97 = 118,164.62 : x - Step 2: Convert to fraction form
172,586.06/237,964.97 = 118,164.62/x - Step 3: Cross multiply
172,586.06x = 237,964.97 × 118,164.62 - Step 4: Simplify right side
172,586.06x = 28,119,038,472.71 - Step 5: Solve for x
x = 28,119,038,472.71/172,586.06 - Step 6: Final answer
x = 162,927.64
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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.