Finding the Fourth Proportional to 275,675.66, 413,675.99 and 115,779.65
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Solution
The fourth proportional to 275,675.66, 413,675.99 and 115,779.65 is: 173,737.72
Step by Step Solution
- Step 1: Write the proportion equation
275,675.66 : 413,675.99 = 115,779.65 : x - Step 2: Convert to fraction form
275,675.66/413,675.99 = 115,779.65/x - Step 3: Cross multiply
275,675.66x = 413,675.99 × 115,779.65 - Step 4: Simplify right side
275,675.66x = 47,895,260,756.71 - Step 5: Solve for x
x = 47,895,260,756.71/275,675.66 - Step 6: Final answer
x = 173,737.72
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1.5x scale
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.