Finding the Fourth Proportional to 353,183.56, 487,389.62 and 262,943.08
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Solution
The fourth proportional to 353,183.56, 487,389.62 and 262,943.08 is: 362,858.70
Step by Step Solution
- Step 1: Write the proportion equation
353,183.56 : 487,389.62 = 262,943.08 : x - Step 2: Convert to fraction form
353,183.56/487,389.62 = 262,943.08/x - Step 3: Cross multiply
353,183.56x = 487,389.62 × 262,943.08 - Step 4: Simplify right side
353,183.56x = 128,155,727,842.83 - Step 5: Solve for x
x = 128,155,727,842.83/353,183.56 - Step 6: Final answer
x = 362,858.70
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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.