Finding the Fourth Proportional to 575,707.20, 862,831.80 and 220,246.80
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Solution
The fourth proportional to 575,707.20, 862,831.80 and 220,246.80 is: 330,091.31
Step by Step Solution
- Step 1: Write the proportion equation
575,707.20 : 862,831.80 = 220,246.80 : x - Step 2: Convert to fraction form
575,707.20/862,831.80 = 220,246.80/x - Step 3: Cross multiply
575,707.20x = 862,831.80 × 220,246.80 - Step 4: Simplify right side
575,707.20x = 190,035,942,888.24 - Step 5: Solve for x
x = 190,035,942,888.24/575,707.20 - Step 6: Final answer
x = 330,091.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.