Finding the Fourth Proportional to 372,044.61, 513,439.11 and 210,902.79
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Solution
The fourth proportional to 372,044.61, 513,439.11 and 210,902.79 is: 291,055.80
Step by Step Solution
- Step 1: Write the proportion equation
372,044.61 : 513,439.11 = 210,902.79 : x - Step 2: Convert to fraction form
372,044.61/513,439.11 = 210,902.79/x - Step 3: Cross multiply
372,044.61x = 513,439.11 × 210,902.79 - Step 4: Simplify right side
372,044.61x = 108,285,740,794.12 - Step 5: Solve for x
x = 108,285,740,794.12/372,044.61 - Step 6: Final answer
x = 291,055.80
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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.