Finding the Fourth Proportional to 135,460.98, 203,117.40 and 107,560.26
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Solution
The fourth proportional to 135,460.98, 203,117.40 and 107,560.26 is: 161,281.58
Step by Step Solution
- Step 1: Write the proportion equation
135,460.98 : 203,117.40 = 107,560.26 : x - Step 2: Convert to fraction form
135,460.98/203,117.40 = 107,560.26/x - Step 3: Cross multiply
135,460.98x = 203,117.40 × 107,560.26 - Step 4: Simplify right side
135,460.98x = 21,847,360,354.52 - Step 5: Solve for x
x = 21,847,360,354.52/135,460.98 - Step 6: Final answer
x = 161,281.58
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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.