Finding the Fourth Proportional to 177,122.93, 244,420.40 and 100,631.41
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Solution
The fourth proportional to 177,122.93, 244,420.40 and 100,631.41 is: 138,866.09
Step by Step Solution
- Step 1: Write the proportion equation
177,122.93 : 244,420.40 = 100,631.41 : x - Step 2: Convert to fraction form
177,122.93/244,420.40 = 100,631.41/x - Step 3: Cross multiply
177,122.93x = 244,420.40 × 100,631.41 - Step 4: Simplify right side
177,122.93x = 24,596,369,484.76 - Step 5: Solve for x
x = 24,596,369,484.76/177,122.93 - Step 6: Final answer
x = 138,866.09
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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.