Finding the Fourth Proportional to 130,783.69, 196,177.36 and 37,289.44
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Solution
The fourth proportional to 130,783.69, 196,177.36 and 37,289.44 is: 55,934.68
Step by Step Solution
- Step 1: Write the proportion equation
130,783.69 : 196,177.36 = 37,289.44 : x - Step 2: Convert to fraction form
130,783.69/196,177.36 = 37,289.44/x - Step 3: Cross multiply
130,783.69x = 196,177.36 × 37,289.44 - Step 4: Simplify right side
130,783.69x = 7,315,343,895.08 - Step 5: Solve for x
x = 7,315,343,895.08/130,783.69 - Step 6: Final answer
x = 55,934.68
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1.5x scale
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.