Finding the Fourth Proportional to 252,828.42, 348,904.41 and 138,108.65
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Solution
The fourth proportional to 252,828.42, 348,904.41 and 138,108.65 is: 190,590.59
Step by Step Solution
- Step 1: Write the proportion equation
252,828.42 : 348,904.41 = 138,108.65 : x - Step 2: Convert to fraction form
252,828.42/348,904.41 = 138,108.65/x - Step 3: Cross multiply
252,828.42x = 348,904.41 × 138,108.65 - Step 4: Simplify right side
252,828.42x = 48,186,716,447.87 - Step 5: Solve for x
x = 48,186,716,447.87/252,828.42 - Step 6: Final answer
x = 190,590.59
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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.