Finding the Fourth Proportional to 462,125.70, 693,188.55 and 129,701.70
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Solution
The fourth proportional to 462,125.70, 693,188.55 and 129,701.70 is: 194,552.55
Step by Step Solution
- Step 1: Write the proportion equation
462,125.70 : 693,188.55 = 129,701.70 : x - Step 2: Convert to fraction form
462,125.70/693,188.55 = 129,701.70/x - Step 3: Cross multiply
462,125.70x = 693,188.55 × 129,701.70 - Step 4: Simplify right side
462,125.70x = 89,907,733,355.54 - Step 5: Solve for x
x = 89,907,733,355.54/462,125.70 - Step 6: Final answer
x = 194,552.55
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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.