Finding the Fourth Proportional to 118,183.62, 177,275.45 and 39,298.53
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Solution
The fourth proportional to 118,183.62, 177,275.45 and 39,298.53 is: 58,947.80
Step by Step Solution
- Step 1: Write the proportion equation
118,183.62 : 177,275.45 = 39,298.53 : x - Step 2: Convert to fraction form
118,183.62/177,275.45 = 39,298.53/x - Step 3: Cross multiply
118,183.62x = 177,275.45 × 39,298.53 - Step 4: Simplify right side
118,183.62x = 6,966,664,590.09 - Step 5: Solve for x
x = 6,966,664,590.09/118,183.62 - Step 6: Final answer
x = 58,947.80
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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.