Finding the Fourth Proportional to 307,444.21, 424,470.38 and 192,879.83
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Solution
The fourth proportional to 307,444.21, 424,470.38 and 192,879.83 is: 266,297.99
Step by Step Solution
- Step 1: Write the proportion equation
307,444.21 : 424,470.38 = 192,879.83 : x - Step 2: Convert to fraction form
307,444.21/424,470.38 = 192,879.83/x - Step 3: Cross multiply
307,444.21x = 424,470.38 × 192,879.83 - Step 4: Simplify right side
307,444.21x = 81,871,774,831.21 - Step 5: Solve for x
x = 81,871,774,831.21/307,444.21 - Step 6: Final answer
x = 266,297.99
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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.