Finding the Fourth Proportional to 467,840.42, 645,623.65 and 258,295.06
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Solution
The fourth proportional to 467,840.42, 645,623.65 and 258,295.06 is: 356,449.32
Step by Step Solution
- Step 1: Write the proportion equation
467,840.42 : 645,623.65 = 258,295.06 : x - Step 2: Convert to fraction form
467,840.42/645,623.65 = 258,295.06/x - Step 3: Cross multiply
467,840.42x = 645,623.65 × 258,295.06 - Step 4: Simplify right side
467,840.42x = 166,761,400,544.07 - Step 5: Solve for x
x = 166,761,400,544.07/467,840.42 - Step 6: Final answer
x = 356,449.32
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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.