Finding the Fourth Proportional to 236,260.60, 326,027.62 and 128,829.76
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Solution
The fourth proportional to 236,260.60, 326,027.62 and 128,829.76 is: 177,778.52
Step by Step Solution
- Step 1: Write the proportion equation
236,260.60 : 326,027.62 = 128,829.76 : x - Step 2: Convert to fraction form
236,260.60/326,027.62 = 128,829.76/x - Step 3: Cross multiply
236,260.60x = 326,027.62 × 128,829.76 - Step 4: Simplify right side
236,260.60x = 42,002,060,037.97 - Step 5: Solve for x
x = 42,002,060,037.97/236,260.60 - Step 6: Final answer
x = 177,778.52
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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.