Finding the Fourth Proportional to 360,660.24, 497,698.97 and 197,316.05
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Solution
The fourth proportional to 360,660.24, 497,698.97 and 197,316.05 is: 272,289.49
Step by Step Solution
- Step 1: Write the proportion equation
360,660.24 : 497,698.97 = 197,316.05 : x - Step 2: Convert to fraction form
360,660.24/497,698.97 = 197,316.05/x - Step 3: Cross multiply
360,660.24x = 497,698.97 × 197,316.05 - Step 4: Simplify right side
360,660.24x = 98,203,991,374.39 - Step 5: Solve for x
x = 98,203,991,374.39/360,660.24 - Step 6: Final answer
x = 272,289.49
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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.