Finding the Fourth Proportional to 426,739.28, 588,899.40 and 235,752.08
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Solution
The fourth proportional to 426,739.28, 588,899.40 and 235,752.08 is: 325,337.42
Step by Step Solution
- Step 1: Write the proportion equation
426,739.28 : 588,899.40 = 235,752.08 : x - Step 2: Convert to fraction form
426,739.28/588,899.40 = 235,752.08/x - Step 3: Cross multiply
426,739.28x = 588,899.40 × 235,752.08 - Step 4: Simplify right side
426,739.28x = 138,834,258,460.75 - Step 5: Solve for x
x = 138,834,258,460.75/426,739.28 - Step 6: Final answer
x = 325,337.42
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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.