Finding the Fourth Proportional to 224,923.02, 310,394.08 and 129,427.80
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Solution
The fourth proportional to 224,923.02, 310,394.08 and 129,427.80 is: 178,610.54
Step by Step Solution
- Step 1: Write the proportion equation
224,923.02 : 310,394.08 = 129,427.80 : x - Step 2: Convert to fraction form
224,923.02/310,394.08 = 129,427.80/x - Step 3: Cross multiply
224,923.02x = 310,394.08 × 129,427.80 - Step 4: Simplify right side
224,923.02x = 40,173,622,907.42 - Step 5: Solve for x
x = 40,173,622,907.42/224,923.02 - Step 6: Final answer
x = 178,610.54
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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.