Finding the Fourth Proportional to 197,373.38, 272,374.79 and 111,332.07
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Solution
The fourth proportional to 197,373.38, 272,374.79 and 111,332.07 is: 153,637.99
Step by Step Solution
- Step 1: Write the proportion equation
197,373.38 : 272,374.79 = 111,332.07 : x - Step 2: Convert to fraction form
197,373.38/272,374.79 = 111,332.07/x - Step 3: Cross multiply
197,373.38x = 272,374.79 × 111,332.07 - Step 4: Simplify right side
197,373.38x = 30,324,048,629.86 - Step 5: Solve for x
x = 30,324,048,629.86/197,373.38 - Step 6: Final answer
x = 153,637.99
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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.