Finding the Fourth Proportional to 259,412.22, 357,984.09 and 146,235.06
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Solution
The fourth proportional to 259,412.22, 357,984.09 and 146,235.06 is: 201,801.69
Step by Step Solution
- Step 1: Write the proportion equation
259,412.22 : 357,984.09 = 146,235.06 : x - Step 2: Convert to fraction form
259,412.22/357,984.09 = 146,235.06/x - Step 3: Cross multiply
259,412.22x = 357,984.09 × 146,235.06 - Step 4: Simplify right side
259,412.22x = 52,349,824,880.20 - Step 5: Solve for x
x = 52,349,824,880.20/259,412.22 - Step 6: Final answer
x = 201,801.69
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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.