Finding the Fourth Proportional to 370,831.80, 556,247.70 and 331,465.80
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Solution
The fourth proportional to 370,831.80, 556,247.70 and 331,465.80 is: 497,198.70
Step by Step Solution
- Step 1: Write the proportion equation
370,831.80 : 556,247.70 = 331,465.80 : x - Step 2: Convert to fraction form
370,831.80/556,247.70 = 331,465.80/x - Step 3: Cross multiply
370,831.80x = 556,247.70 × 331,465.80 - Step 4: Simplify right side
370,831.80x = 184,377,088,878.66 - Step 5: Solve for x
x = 184,377,088,878.66/370,831.80 - Step 6: Final answer
x = 497,198.70
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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.