Finding the Fourth Proportional to 309,946,124.70, 464,919,187.05 and 173,897,228.70
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Solution
The fourth proportional to 309,946,124.70, 464,919,187.05 and 173,897,228.70 is: 260,845,843.05
Step by Step Solution
- Step 1: Write the proportion equation
309,946,124.70 : 464,919,187.05 = 173,897,228.70 : x - Step 2: Convert to fraction form
309,946,124.70/464,919,187.05 = 173,897,228.70/x - Step 3: Cross multiply
309,946,124.70x = 464,919,187.05 × 173,897,228.70 - Step 4: Simplify right side
309,946,124.70x = 80,848,158,197,451,920 - Step 5: Solve for x
x = 80,848,158,197,451,920/309,946,124.70 - Step 6: Final answer
x = 260,845,843.05
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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.