Finding the Fourth Proportional to 261,539.16, 392,702.40 and 149,346.06
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Solution
The fourth proportional to 261,539.16, 392,702.40 and 149,346.06 is: 224,243.88
Step by Step Solution
- Step 1: Write the proportion equation
261,539.16 : 392,702.40 = 149,346.06 : x - Step 2: Convert to fraction form
261,539.16/392,702.40 = 149,346.06/x - Step 3: Cross multiply
261,539.16x = 392,702.40 × 149,346.06 - Step 4: Simplify right side
261,539.16x = 58,648,556,192.54 - Step 5: Solve for x
x = 58,648,556,192.54/261,539.16 - Step 6: Final answer
x = 224,243.88
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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.