Finding the Fourth Proportional to 357,120.24, 492,831.95 and 195,990.28
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Solution
The fourth proportional to 357,120.24, 492,831.95 and 195,990.28 is: 270,469.89
Step by Step Solution
- Step 1: Write the proportion equation
357,120.24 : 492,831.95 = 195,990.28 : x - Step 2: Convert to fraction form
357,120.24/492,831.95 = 195,990.28/x - Step 3: Cross multiply
357,120.24x = 492,831.95 × 195,990.28 - Step 4: Simplify right side
357,120.24x = 96,590,272,433.59 - Step 5: Solve for x
x = 96,590,272,433.59/357,120.24 - Step 6: Final answer
x = 270,469.89
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1.5x scale
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.