Finding the Fourth Proportional to 146,220.10, 219,220.80 and 79,735.30
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Solution
The fourth proportional to 146,220.10, 219,220.80 and 79,735.30 is: 119,543.32
Step by Step Solution
- Step 1: Write the proportion equation
146,220.10 : 219,220.80 = 79,735.30 : x - Step 2: Convert to fraction form
146,220.10/219,220.80 = 79,735.30/x - Step 3: Cross multiply
146,220.10x = 219,220.80 × 79,735.30 - Step 4: Simplify right side
146,220.10x = 17,479,636,254.24 - Step 5: Solve for x
x = 17,479,636,254.24/146,220.10 - Step 6: Final answer
x = 119,543.32
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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.