Finding the Fourth Proportional to 356,948.01, 534,708.18 and 214,714.80
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Solution
The fourth proportional to 356,948.01, 534,708.18 and 214,714.80 is: 321,642.81
Step by Step Solution
- Step 1: Write the proportion equation
356,948.01 : 534,708.18 = 214,714.80 : x - Step 2: Convert to fraction form
356,948.01/534,708.18 = 214,714.80/x - Step 3: Cross multiply
356,948.01x = 534,708.18 × 214,714.80 - Step 4: Simplify right side
356,948.01x = 114,809,759,927.06 - Step 5: Solve for x
x = 114,809,759,927.06/356,948.01 - Step 6: Final answer
x = 321,642.81
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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.