Finding the Fourth Proportional to 340,867.63, 471,247.64 and 255,837.07
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Solution
The fourth proportional to 340,867.63, 471,247.64 and 255,837.07 is: 353,693.35
Step by Step Solution
- Step 1: Write the proportion equation
340,867.63 : 471,247.64 = 255,837.07 : x - Step 2: Convert to fraction form
340,867.63/471,247.64 = 255,837.07/x - Step 3: Cross multiply
340,867.63x = 471,247.64 × 255,837.07 - Step 4: Simplify right side
340,867.63x = 120,562,615,462.02 - Step 5: Solve for x
x = 120,562,615,462.02/340,867.63 - Step 6: Final answer
x = 353,693.35
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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.