Finding the Fourth Proportional to 293,879.13, 440,449.74 and 158,937.81
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Solution
The fourth proportional to 293,879.13, 440,449.74 and 158,937.81 is: 238,207.17
Step by Step Solution
- Step 1: Write the proportion equation
293,879.13 : 440,449.74 = 158,937.81 : x - Step 2: Convert to fraction form
293,879.13/440,449.74 = 158,937.81/x - Step 3: Cross multiply
293,879.13x = 440,449.74 × 158,937.81 - Step 4: Simplify right side
293,879.13x = 70,004,117,090.67 - Step 5: Solve for x
x = 70,004,117,090.67/293,879.13 - Step 6: Final answer
x = 238,207.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.