Finding the Fourth Proportional to 402,554.19, 603,905.10 and 165,767.70
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Solution
The fourth proportional to 402,554.19, 603,905.10 and 165,767.70 is: 248,681.95
Step by Step Solution
- Step 1: Write the proportion equation
402,554.19 : 603,905.10 = 165,767.70 : x - Step 2: Convert to fraction form
402,554.19/603,905.10 = 165,767.70/x - Step 3: Cross multiply
402,554.19x = 603,905.10 × 165,767.70 - Step 4: Simplify right side
402,554.19x = 100,107,959,445.27 - Step 5: Solve for x
x = 100,107,959,445.27/402,554.19 - Step 6: Final answer
x = 248,681.95
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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.