Finding the Fourth Proportional to 214,384.08, 321,237.75 and 79,262.73
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Solution
The fourth proportional to 214,384.08, 321,237.75 and 79,262.73 is: 118,768.99
Step by Step Solution
- Step 1: Write the proportion equation
214,384.08 : 321,237.75 = 79,262.73 : x - Step 2: Convert to fraction form
214,384.08/321,237.75 = 79,262.73/x - Step 3: Cross multiply
214,384.08x = 321,237.75 × 79,262.73 - Step 4: Simplify right side
214,384.08x = 25,462,181,044.06 - Step 5: Solve for x
x = 25,462,181,044.06/214,384.08 - Step 6: Final answer
x = 118,768.99
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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.