Finding the Fourth Proportional to 239,009.06, 358,545.26 and 126,746.66
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Solution
The fourth proportional to 239,009.06, 358,545.26 and 126,746.66 is: 190,136.78
Step by Step Solution
- Step 1: Write the proportion equation
239,009.06 : 358,545.26 = 126,746.66 : x - Step 2: Convert to fraction form
239,009.06/358,545.26 = 126,746.66/x - Step 3: Cross multiply
239,009.06x = 358,545.26 × 126,746.66 - Step 4: Simplify right side
239,009.06x = 45,444,412,687.97 - Step 5: Solve for x
x = 45,444,412,687.97/239,009.06 - Step 6: Final answer
x = 190,136.78
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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.