Home / 428,078.16-590,740.62-237,087.45

Finding the Fourth Proportional to 428,078.16, 590,740.62 and 237,087.45

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Solution

The fourth proportional to 428,078.16, 590,740.62 and 237,087.45 is: 327,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,078.16 : 590,740.62 = 237,087.45 : x
  2. Step 2: Convert to fraction form
    428,078.16/590,740.62 = 237,087.45/x
  3. Step 3: Cross multiply
    428,078.16x = 590,740.62 × 237,087.45
  4. Step 4: Simplify right side
    428,078.16x = 140,057,184,102.86
  5. Step 5: Solve for x
    x = 140,057,184,102.86/428,078.16
  6. Step 6: Final answer
    x = 327,176.67

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1.5x scale

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.