Finding the Fourth Proportional to 153,482.94, 230,257.36 and 86,954.94
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Solution
The fourth proportional to 153,482.94, 230,257.36 and 86,954.94 is: 130,451.08
Step by Step Solution
- Step 1: Write the proportion equation
153,482.94 : 230,257.36 = 86,954.94 : x - Step 2: Convert to fraction form
153,482.94/230,257.36 = 86,954.94/x - Step 3: Cross multiply
153,482.94x = 230,257.36 × 86,954.94 - Step 4: Simplify right side
153,482.94x = 20,022,014,923.36 - Step 5: Solve for x
x = 20,022,014,923.36/153,482.94 - Step 6: Final answer
x = 130,451.08
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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.