Finding the Fourth Proportional to 340,831.99, 470,351.43 and 187,876.08
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Solution
The fourth proportional to 340,831.99, 470,351.43 and 187,876.08 is: 259,270.80
Step by Step Solution
- Step 1: Write the proportion equation
340,831.99 : 470,351.43 = 187,876.08 : x - Step 2: Convert to fraction form
340,831.99/470,351.43 = 187,876.08/x - Step 3: Cross multiply
340,831.99x = 470,351.43 × 187,876.08 - Step 4: Simplify right side
340,831.99x = 88,367,782,890.79 - Step 5: Solve for x
x = 88,367,782,890.79/340,831.99 - Step 6: Final answer
x = 259,270.80
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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.