Finding the Fourth Proportional to 434,722.10, 652,115.55 and 154,202.90
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Solution
The fourth proportional to 434,722.10, 652,115.55 and 154,202.90 is: 231,315.84
Step by Step Solution
- Step 1: Write the proportion equation
434,722.10 : 652,115.55 = 154,202.90 : x - Step 2: Convert to fraction form
434,722.10/652,115.55 = 154,202.90/x - Step 3: Cross multiply
434,722.10x = 652,115.55 × 154,202.90 - Step 4: Simplify right side
434,722.10x = 100,558,108,945.10 - Step 5: Solve for x
x = 100,558,108,945.10/434,722.10 - Step 6: Final answer
x = 231,315.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.