Finding the Fourth Proportional to 220,430.13, 330,368.58 and 119,224.14
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Solution
The fourth proportional to 220,430.13, 330,368.58 and 119,224.14 is: 178,686.60
Step by Step Solution
- Step 1: Write the proportion equation
220,430.13 : 330,368.58 = 119,224.14 : x - Step 2: Convert to fraction form
220,430.13/330,368.58 = 119,224.14/x - Step 3: Cross multiply
220,430.13x = 330,368.58 × 119,224.14 - Step 4: Simplify right side
220,430.13x = 39,387,909,833.52 - Step 5: Solve for x
x = 39,387,909,833.52/220,430.13 - Step 6: Final answer
x = 178,686.60
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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.