Finding the Fourth Proportional to 153,890.70, 230,857.65 and 48,698.70
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Solution
The fourth proportional to 153,890.70, 230,857.65 and 48,698.70 is: 73,054.89
Step by Step Solution
- Step 1: Write the proportion equation
153,890.70 : 230,857.65 = 48,698.70 : x - Step 2: Convert to fraction form
153,890.70/230,857.65 = 48,698.70/x - Step 3: Cross multiply
153,890.70x = 230,857.65 × 48,698.70 - Step 4: Simplify right side
153,890.70x = 11,242,467,440.06 - Step 5: Solve for x
x = 11,242,467,440.06/153,890.70 - Step 6: Final answer
x = 73,054.89
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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.