Finding the Fourth Proportional to 466,376.21, 699,564.35 and 129,416.95
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Solution
The fourth proportional to 466,376.21, 699,564.35 and 129,416.95 is: 194,125.43
Step by Step Solution
- Step 1: Write the proportion equation
466,376.21 : 699,564.35 = 129,416.95 : x - Step 2: Convert to fraction form
466,376.21/699,564.35 = 129,416.95/x - Step 3: Cross multiply
466,376.21x = 699,564.35 × 129,416.95 - Step 4: Simplify right side
466,376.21x = 90,535,484,505.73 - Step 5: Solve for x
x = 90,535,484,505.73/466,376.21 - Step 6: Final answer
x = 194,125.43
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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.