Finding the Fourth Proportional to 235,682.42, 325,248.52 and 128,259.26
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Solution
The fourth proportional to 235,682.42, 325,248.52 and 128,259.26 is: 177,001.46
Step by Step Solution
- Step 1: Write the proportion equation
235,682.42 : 325,248.52 = 128,259.26 : x - Step 2: Convert to fraction form
235,682.42/325,248.52 = 128,259.26/x - Step 3: Cross multiply
235,682.42x = 325,248.52 × 128,259.26 - Step 4: Simplify right side
235,682.42x = 41,716,132,865.05 - Step 5: Solve for x
x = 41,716,132,865.05/235,682.42 - Step 6: Final answer
x = 177,001.46
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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.