Finding the Fourth Proportional to 454,967.70, 682,451.55 and 122,543.70
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Solution
The fourth proportional to 454,967.70, 682,451.55 and 122,543.70 is: 183,815.55
Step by Step Solution
- Step 1: Write the proportion equation
454,967.70 : 682,451.55 = 122,543.70 : x - Step 2: Convert to fraction form
454,967.70/682,451.55 = 122,543.70/x - Step 3: Cross multiply
454,967.70x = 682,451.55 × 122,543.70 - Step 4: Simplify right side
454,967.70x = 83,630,138,007.74 - Step 5: Solve for x
x = 83,630,138,007.74/454,967.70 - Step 6: Final answer
x = 183,815.55
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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.