Finding the Fourth Proportional to 346,310.70, 519,466.05 and 121,705.80
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Solution
The fourth proportional to 346,310.70, 519,466.05 and 121,705.80 is: 182,558.70
Step by Step Solution
- Step 1: Write the proportion equation
346,310.70 : 519,466.05 = 121,705.80 : x - Step 2: Convert to fraction form
346,310.70/519,466.05 = 121,705.80/x - Step 3: Cross multiply
346,310.70x = 519,466.05 × 121,705.80 - Step 4: Simplify right side
346,310.70x = 63,222,031,188.09 - Step 5: Solve for x
x = 63,222,031,188.09/346,310.70 - Step 6: Final answer
x = 182,558.70
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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.