Home / 428,995.21-592,002.13-235,402.33

Finding the Fourth Proportional to 428,995.21, 592,002.13 and 235,402.33

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Solution

The fourth proportional to 428,995.21, 592,002.13 and 235,402.33 is: 324,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,995.21 : 592,002.13 = 235,402.33 : x
  2. Step 2: Convert to fraction form
    428,995.21/592,002.13 = 235,402.33/x
  3. Step 3: Cross multiply
    428,995.21x = 592,002.13 × 235,402.33
  4. Step 4: Simplify right side
    428,995.21x = 139,358,677,922.76
  5. Step 5: Solve for x
    x = 139,358,677,922.76/428,995.21
  6. Step 6: Final answer
    x = 324,849.03

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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.