Finding the Fourth Proportional to 395,555.56, 545,869.28 and 214,267.48
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Solution
The fourth proportional to 395,555.56, 545,869.28 and 214,267.48 is: 295,690.53
Step by Step Solution
- Step 1: Write the proportion equation
395,555.56 : 545,869.28 = 214,267.48 : x - Step 2: Convert to fraction form
395,555.56/545,869.28 = 214,267.48/x - Step 3: Cross multiply
395,555.56x = 545,869.28 × 214,267.48 - Step 4: Simplify right side
395,555.56x = 116,962,035,035.01 - Step 5: Solve for x
x = 116,962,035,035.01/395,555.56 - Step 6: Final answer
x = 295,690.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.