Finding the Fourth Proportional to 550,311.28, 759,107.74 and 346,038.80
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Solution
The fourth proportional to 550,311.28, 759,107.74 and 346,038.80 is: 477,331.18
Step by Step Solution
- Step 1: Write the proportion equation
550,311.28 : 759,107.74 = 346,038.80 : x - Step 2: Convert to fraction form
550,311.28/759,107.74 = 346,038.80/x - Step 3: Cross multiply
550,311.28x = 759,107.74 × 346,038.80 - Step 4: Simplify right side
550,311.28x = 262,680,731,420.31 - Step 5: Solve for x
x = 262,680,731,420.31/550,311.28 - Step 6: Final answer
x = 477,331.18
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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.