Finding the Fourth Proportional to 375,525.81, 518,246.37 and 214,432.61
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Solution
The fourth proportional to 375,525.81, 518,246.37 and 214,432.61 is: 295,928.85
Step by Step Solution
- Step 1: Write the proportion equation
375,525.81 : 518,246.37 = 214,432.61 : x - Step 2: Convert to fraction form
375,525.81/518,246.37 = 214,432.61/x - Step 3: Cross multiply
375,525.81x = 518,246.37 × 214,432.61 - Step 4: Simplify right side
375,525.81x = 111,128,921,742.13 - Step 5: Solve for x
x = 111,128,921,742.13/375,525.81 - Step 6: Final answer
x = 295,928.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.