Finding the Fourth Proportional to 480,257.98, 720,874.42 and 240,543.63
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Solution
The fourth proportional to 480,257.98, 720,874.42 and 240,543.63 is: 361,059.59
Step by Step Solution
- Step 1: Write the proportion equation
480,257.98 : 720,874.42 = 240,543.63 : x - Step 2: Convert to fraction form
480,257.98/720,874.42 = 240,543.63/x - Step 3: Cross multiply
480,257.98x = 720,874.42 × 240,543.63 - Step 4: Simplify right side
480,257.98x = 173,401,749,159.59 - Step 5: Solve for x
x = 173,401,749,159.59/480,257.98 - Step 6: Final answer
x = 361,059.59
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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.