Finding the Fourth Proportional to 254,665.06, 351,445.36 and 147,225.58
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Solution
The fourth proportional to 254,665.06, 351,445.36 and 147,225.58 is: 203,175.68
Step by Step Solution
- Step 1: Write the proportion equation
254,665.06 : 351,445.36 = 147,225.58 : x - Step 2: Convert to fraction form
254,665.06/351,445.36 = 147,225.58/x - Step 3: Cross multiply
254,665.06x = 351,445.36 × 147,225.58 - Step 4: Simplify right side
254,665.06x = 51,741,746,964.31 - Step 5: Solve for x
x = 51,741,746,964.31/254,665.06 - Step 6: Final answer
x = 203,175.68
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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.