Finding the Fourth Proportional to 224,000.64, 309,130.56 and 127,202.54
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Solution
The fourth proportional to 224,000.64, 309,130.56 and 127,202.54 is: 175,544.99
Step by Step Solution
- Step 1: Write the proportion equation
224,000.64 : 309,130.56 = 127,202.54 : x - Step 2: Convert to fraction form
224,000.64/309,130.56 = 127,202.54/x - Step 3: Cross multiply
224,000.64x = 309,130.56 × 127,202.54 - Step 4: Simplify right side
224,000.64x = 39,322,190,877.97 - Step 5: Solve for x
x = 39,322,190,877.97/224,000.64 - Step 6: Final answer
x = 175,544.99
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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.