Finding the Fourth Proportional to 153,235.80, 229,853.70 and 118,243.80
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Solution
The fourth proportional to 153,235.80, 229,853.70 and 118,243.80 is: 177,365.70
Step by Step Solution
- Step 1: Write the proportion equation
153,235.80 : 229,853.70 = 118,243.80 : x - Step 2: Convert to fraction form
153,235.80/229,853.70 = 118,243.80/x - Step 3: Cross multiply
153,235.80x = 229,853.70 × 118,243.80 - Step 4: Simplify right side
153,235.80x = 27,178,774,932.06 - Step 5: Solve for x
x = 27,178,774,932.06/153,235.80 - Step 6: Final answer
x = 177,365.70
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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.