Finding the Fourth Proportional to 232,699.88, 321,235.79 and 155,303.65
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Solution
The fourth proportional to 232,699.88, 321,235.79 and 155,303.65 is: 214,392.43
Step by Step Solution
- Step 1: Write the proportion equation
232,699.88 : 321,235.79 = 155,303.65 : x - Step 2: Convert to fraction form
232,699.88/321,235.79 = 155,303.65/x - Step 3: Cross multiply
232,699.88x = 321,235.79 × 155,303.65 - Step 4: Simplify right side
232,699.88x = 49,889,091,444.53 - Step 5: Solve for x
x = 49,889,091,444.53/232,699.88 - Step 6: Final answer
x = 214,392.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.