Finding the Fourth Proportional to 332,490.68, 458,840.06 and 189,259.94
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Solution
The fourth proportional to 332,490.68, 458,840.06 and 189,259.94 is: 261,180.38
Step by Step Solution
- Step 1: Write the proportion equation
332,490.68 : 458,840.06 = 189,259.94 : x - Step 2: Convert to fraction form
332,490.68/458,840.06 = 189,259.94/x - Step 3: Cross multiply
332,490.68x = 458,840.06 × 189,259.94 - Step 4: Simplify right side
332,490.68x = 86,840,042,225.20 - Step 5: Solve for x
x = 86,840,042,225.20/332,490.68 - Step 6: Final answer
x = 261,180.38
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1.5x scale
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.