Finding the Fourth Proportional to 366,779.70, 550,169.55 and 209,315.70
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Solution
The fourth proportional to 366,779.70, 550,169.55 and 209,315.70 is: 313,973.55
Step by Step Solution
- Step 1: Write the proportion equation
366,779.70 : 550,169.55 = 209,315.70 : x - Step 2: Convert to fraction form
366,779.70/550,169.55 = 209,315.70/x - Step 3: Cross multiply
366,779.70x = 550,169.55 × 209,315.70 - Step 4: Simplify right side
366,779.70x = 115,159,124,476.94 - Step 5: Solve for x
x = 115,159,124,476.94/366,779.70 - Step 6: Final answer
x = 313,973.55
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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.