Finding the Fourth Proportional to 254,609.74, 351,322.42 and 147,159.06
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Solution
The fourth proportional to 254,609.74, 351,322.42 and 147,159.06 is: 203,056.95
Step by Step Solution
- Step 1: Write the proportion equation
254,609.74 : 351,322.42 = 147,159.06 : x - Step 2: Convert to fraction form
254,609.74/351,322.42 = 147,159.06/x - Step 3: Cross multiply
254,609.74x = 351,322.42 × 147,159.06 - Step 4: Simplify right side
254,609.74x = 51,700,277,084.13 - Step 5: Solve for x
x = 51,700,277,084.13/254,609.74 - Step 6: Final answer
x = 203,056.95
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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.