Finding the Fourth Proportional to 158,430.80, 237,775.80 and 153,246.80
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Solution
The fourth proportional to 158,430.80, 237,775.80 and 153,246.80 is: 229,995.56
Step by Step Solution
- Step 1: Write the proportion equation
158,430.80 : 237,775.80 = 153,246.80 : x - Step 2: Convert to fraction form
158,430.80/237,775.80 = 153,246.80/x - Step 3: Cross multiply
158,430.80x = 237,775.80 × 153,246.80 - Step 4: Simplify right side
158,430.80x = 36,438,380,467.44 - Step 5: Solve for x
x = 36,438,380,467.44/158,430.80 - Step 6: Final answer
x = 229,995.56
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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.