Finding the Fourth Proportional to 220,860.91, 304,750.45 and 130,183.74
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Solution
The fourth proportional to 220,860.91, 304,750.45 and 130,183.74 is: 179,631.39
Step by Step Solution
- Step 1: Write the proportion equation
220,860.91 : 304,750.45 = 130,183.74 : x - Step 2: Convert to fraction form
220,860.91/304,750.45 = 130,183.74/x - Step 3: Cross multiply
220,860.91x = 304,750.45 × 130,183.74 - Step 4: Simplify right side
220,860.91x = 39,673,553,510.41 - Step 5: Solve for x
x = 39,673,553,510.41/220,860.91 - Step 6: Final answer
x = 179,631.39
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1.5x scale
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.