Finding the Fourth Proportional to 127,038.94, 190,565.70 and 38,283.20
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Solution
The fourth proportional to 127,038.94, 190,565.70 and 38,283.20 is: 57,427.00
Step by Step Solution
- Step 1: Write the proportion equation
127,038.94 : 190,565.70 = 38,283.20 : x - Step 2: Convert to fraction form
127,038.94/190,565.70 = 38,283.20/x - Step 3: Cross multiply
127,038.94x = 190,565.70 × 38,283.20 - Step 4: Simplify right side
127,038.94x = 7,295,464,806.24 - Step 5: Solve for x
x = 7,295,464,806.24/127,038.94 - Step 6: Final answer
x = 57,427.00
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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.