Finding the Fourth Proportional to 361,831.60, 542,650.20 and 125,246.80
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Solution
The fourth proportional to 361,831.60, 542,650.20 and 125,246.80 is: 187,836.55
Step by Step Solution
- Step 1: Write the proportion equation
361,831.60 : 542,650.20 = 125,246.80 : x - Step 2: Convert to fraction form
361,831.60/542,650.20 = 125,246.80/x - Step 3: Cross multiply
361,831.60x = 542,650.20 × 125,246.80 - Step 4: Simplify right side
361,831.60x = 67,965,201,069.36 - Step 5: Solve for x
x = 67,965,201,069.36/361,831.60 - Step 6: Final answer
x = 187,836.55
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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.