Finding the Fourth Proportional to 236,831.60, 355,247.40 and 235,449.20
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Solution
The fourth proportional to 236,831.60, 355,247.40 and 235,449.20 is: 353,173.80
Step by Step Solution
- Step 1: Write the proportion equation
236,831.60 : 355,247.40 = 235,449.20 : x - Step 2: Convert to fraction form
236,831.60/355,247.40 = 235,449.20/x - Step 3: Cross multiply
236,831.60x = 355,247.40 × 235,449.20 - Step 4: Simplify right side
236,831.60x = 83,642,716,132.08 - Step 5: Solve for x
x = 83,642,716,132.08/236,831.60 - Step 6: Final answer
x = 353,173.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.