Finding the Fourth Proportional to 305,664,434.40, 458,684,626.80 and 121,399,672.80
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Solution
The fourth proportional to 305,664,434.40, 458,684,626.80 and 121,399,672.80 is: 182,174,166.65
Step by Step Solution
- Step 1: Write the proportion equation
305,664,434.40 : 458,684,626.80 = 121,399,672.80 : x - Step 2: Convert to fraction form
305,664,434.40/458,684,626.80 = 121,399,672.80/x - Step 3: Cross multiply
305,664,434.40x = 458,684,626.80 × 121,399,672.80 - Step 4: Simplify right side
305,664,434.40x = 55,684,163,611,910,112 - Step 5: Solve for x
x = 55,684,163,611,910,112/305,664,434.40 - Step 6: Final answer
x = 182,174,166.65
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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.