Finding the Fourth Proportional to 195,002.99, 292,289.79 and 127,507.19
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Solution
The fourth proportional to 195,002.99, 292,289.79 and 127,507.19 is: 191,120.40
Step by Step Solution
- Step 1: Write the proportion equation
195,002.99 : 292,289.79 = 127,507.19 : x - Step 2: Convert to fraction form
195,002.99/292,289.79 = 127,507.19/x - Step 3: Cross multiply
195,002.99x = 292,289.79 × 127,507.19 - Step 4: Simplify right side
195,002.99x = 37,269,048,327.14 - Step 5: Solve for x
x = 37,269,048,327.14/195,002.99 - Step 6: Final answer
x = 191,120.40
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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.