Finding the Fourth Proportional to 154,969.70, 232,454.55 and 154,969.70
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Solution
The fourth proportional to 154,969.70, 232,454.55 and 154,969.70 is: 232,454.55
Step by Step Solution
- Step 1: Write the proportion equation
154,969.70 : 232,454.55 = 154,969.70 : x - Step 2: Convert to fraction form
154,969.70/232,454.55 = 154,969.70/x - Step 3: Cross multiply
154,969.70x = 232,454.55 × 154,969.70 - Step 4: Simplify right side
154,969.70x = 36,023,411,877.14 - Step 5: Solve for x
x = 36,023,411,877.14/154,969.70 - Step 6: Final answer
x = 232,454.55
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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.