Finding the Fourth Proportional to 479,219.80, 718,829.70 and 146,795.80
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Solution
The fourth proportional to 479,219.80, 718,829.70 and 146,795.80 is: 220,193.70
Step by Step Solution
- Step 1: Write the proportion equation
479,219.80 : 718,829.70 = 146,795.80 : x - Step 2: Convert to fraction form
479,219.80/718,829.70 = 146,795.80/x - Step 3: Cross multiply
479,219.80x = 718,829.70 × 146,795.80 - Step 4: Simplify right side
479,219.80x = 105,521,180,875.26 - Step 5: Solve for x
x = 105,521,180,875.26/479,219.80 - Step 6: Final answer
x = 220,193.70
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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.