Finding the Fourth Proportional to 349,162.77, 481,831.07 and 213,423.99
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Solution
The fourth proportional to 349,162.77, 481,831.07 and 213,423.99 is: 294,516.82
Step by Step Solution
- Step 1: Write the proportion equation
349,162.77 : 481,831.07 = 213,423.99 : x - Step 2: Convert to fraction form
349,162.77/481,831.07 = 213,423.99/x - Step 3: Cross multiply
349,162.77x = 481,831.07 × 213,423.99 - Step 4: Simplify right side
349,162.77x = 102,834,308,398.25 - Step 5: Solve for x
x = 102,834,308,398.25/349,162.77 - Step 6: Final answer
x = 294,516.82
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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.