Finding the Fourth Proportional to 230,293.48, 345,291.84 and 97,138.12
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Solution
The fourth proportional to 230,293.48, 345,291.84 and 97,138.12 is: 145,644.59
Step by Step Solution
- Step 1: Write the proportion equation
230,293.48 : 345,291.84 = 97,138.12 : x - Step 2: Convert to fraction form
230,293.48/345,291.84 = 97,138.12/x - Step 3: Cross multiply
230,293.48x = 345,291.84 × 97,138.12 - Step 4: Simplify right side
230,293.48x = 33,541,000,188.94 - Step 5: Solve for x
x = 33,541,000,188.94/230,293.48 - Step 6: Final answer
x = 145,644.59
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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.