Finding the Fourth Proportional to 188,278.07, 282,417.21 and 118,206.59
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Solution
The fourth proportional to 188,278.07, 282,417.21 and 118,206.59 is: 177,309.95
Step by Step Solution
- Step 1: Write the proportion equation
188,278.07 : 282,417.21 = 118,206.59 : x - Step 2: Convert to fraction form
188,278.07/282,417.21 = 118,206.59/x - Step 3: Cross multiply
188,278.07x = 282,417.21 × 118,206.59 - Step 4: Simplify right side
188,278.07x = 33,383,575,351.41 - Step 5: Solve for x
x = 33,383,575,351.41/188,278.07 - Step 6: Final answer
x = 177,309.95
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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.