Finding the Fourth Proportional to 322,811.70, 484,217.55 and 125,819.70
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Solution
The fourth proportional to 322,811.70, 484,217.55 and 125,819.70 is: 188,729.55
Step by Step Solution
- Step 1: Write the proportion equation
322,811.70 : 484,217.55 = 125,819.70 : x - Step 2: Convert to fraction form
322,811.70/484,217.55 = 125,819.70/x - Step 3: Cross multiply
322,811.70x = 484,217.55 × 125,819.70 - Step 4: Simplify right side
322,811.70x = 60,924,106,875.74 - Step 5: Solve for x
x = 60,924,106,875.74/322,811.70 - Step 6: Final answer
x = 188,729.55
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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.