Finding the Fourth Proportional to 367,070.79, 550,605.11 and 100,831.58
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Solution
The fourth proportional to 367,070.79, 550,605.11 and 100,831.58 is: 151,247.07
Step by Step Solution
- Step 1: Write the proportion equation
367,070.79 : 550,605.11 = 100,831.58 : x - Step 2: Convert to fraction form
367,070.79/550,605.11 = 100,831.58/x - Step 3: Cross multiply
367,070.79x = 550,605.11 × 100,831.58 - Step 4: Simplify right side
367,070.79x = 55,518,379,940.19 - Step 5: Solve for x
x = 55,518,379,940.19/367,070.79 - Step 6: Final answer
x = 151,247.07
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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.