Finding the Fourth Proportional to 171,350.74, 236,488.92 and 98,739.49
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Solution
The fourth proportional to 171,350.74, 236,488.92 and 98,739.49 is: 136,274.85
Step by Step Solution
- Step 1: Write the proportion equation
171,350.74 : 236,488.92 = 98,739.49 : x - Step 2: Convert to fraction form
171,350.74/236,488.92 = 98,739.49/x - Step 3: Cross multiply
171,350.74x = 236,488.92 × 98,739.49 - Step 4: Simplify right side
171,350.74x = 23,350,795,831.06 - Step 5: Solve for x
x = 23,350,795,831.06/171,350.74 - Step 6: Final answer
x = 136,274.85
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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.