Finding the Fourth Proportional to 153,923.08, 230,907.72 and 54,065.68
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Solution
The fourth proportional to 153,923.08, 230,907.72 and 54,065.68 is: 81,106.63
Step by Step Solution
- Step 1: Write the proportion equation
153,923.08 : 230,907.72 = 54,065.68 : x - Step 2: Convert to fraction form
153,923.08/230,907.72 = 54,065.68/x - Step 3: Cross multiply
153,923.08x = 230,907.72 × 54,065.68 - Step 4: Simplify right side
153,923.08x = 12,484,182,899.05 - Step 5: Solve for x
x = 12,484,182,899.05/153,923.08 - Step 6: Final answer
x = 81,106.63
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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.