Finding the Fourth Proportional to 154,046.60, 212,576.70 and 86,050.08
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Solution
The fourth proportional to 154,046.60, 212,576.70 and 86,050.08 is: 118,744.86
Step by Step Solution
- Step 1: Write the proportion equation
154,046.60 : 212,576.70 = 86,050.08 : x - Step 2: Convert to fraction form
154,046.60/212,576.70 = 86,050.08/x - Step 3: Cross multiply
154,046.60x = 212,576.70 × 86,050.08 - Step 4: Simplify right side
154,046.60x = 18,292,242,041.14 - Step 5: Solve for x
x = 18,292,242,041.14/154,046.60 - Step 6: Final answer
x = 118,744.86
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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.