Finding the Fourth Proportional to 154,765.64, 232,214.08 and 84,562.94
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Solution
The fourth proportional to 154,765.64, 232,214.08 and 84,562.94 is: 126,880.26
Step by Step Solution
- Step 1: Write the proportion equation
154,765.64 : 232,214.08 = 84,562.94 : x - Step 2: Convert to fraction form
154,765.64/232,214.08 = 84,562.94/x - Step 3: Cross multiply
154,765.64x = 232,214.08 × 84,562.94 - Step 4: Simplify right side
154,765.64x = 19,636,705,314.20 - Step 5: Solve for x
x = 19,636,705,314.20/154,765.64 - Step 6: Final answer
x = 126,880.26
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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.