Finding the Fourth Proportional to 260,840.58, 391,247.94 and 152,831.13
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Solution
The fourth proportional to 260,840.58, 391,247.94 and 152,831.13 is: 229,239.12
Step by Step Solution
- Step 1: Write the proportion equation
260,840.58 : 391,247.94 = 152,831.13 : x - Step 2: Convert to fraction form
260,840.58/391,247.94 = 152,831.13/x - Step 3: Cross multiply
260,840.58x = 391,247.94 × 152,831.13 - Step 4: Simplify right side
260,840.58x = 59,794,864,780.37 - Step 5: Solve for x
x = 59,794,864,780.37/260,840.58 - Step 6: Final answer
x = 229,239.12
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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.