Finding the Fourth Proportional to 425,993.64, 587,867.94 and 235,015.08
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Solution
The fourth proportional to 425,993.64, 587,867.94 and 235,015.08 is: 324,319.00
Step by Step Solution
- Step 1: Write the proportion equation
425,993.64 : 587,867.94 = 235,015.08 : x - Step 2: Convert to fraction form
425,993.64/587,867.94 = 235,015.08/x - Step 3: Cross multiply
425,993.64x = 587,867.94 × 235,015.08 - Step 4: Simplify right side
425,993.64x = 138,157,830,948.54 - Step 5: Solve for x
x = 138,157,830,948.54/425,993.64 - Step 6: Final answer
x = 324,319.00
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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.