Finding the Fourth Proportional to 359,486.12, 539,229.36 and 122,831.12
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Solution
The fourth proportional to 359,486.12, 539,229.36 and 122,831.12 is: 184,246.74
Step by Step Solution
- Step 1: Write the proportion equation
359,486.12 : 539,229.36 = 122,831.12 : x - Step 2: Convert to fraction form
359,486.12/539,229.36 = 122,831.12/x - Step 3: Cross multiply
359,486.12x = 539,229.36 × 122,831.12 - Step 4: Simplify right side
359,486.12x = 66,234,146,225.68 - Step 5: Solve for x
x = 66,234,146,225.68/359,486.12 - Step 6: Final answer
x = 184,246.74
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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.