Home / 288,156.21-432,538.67-161,904.35

Finding the Fourth Proportional to 288,156.21, 432,538.67 and 161,904.35

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Solution

The fourth proportional to 288,156.21, 432,538.67 and 161,904.35 is: 243,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,156.21 : 432,538.67 = 161,904.35 : x
  2. Step 2: Convert to fraction form
    288,156.21/432,538.67 = 161,904.35/x
  3. Step 3: Cross multiply
    288,156.21x = 432,538.67 × 161,904.35
  4. Step 4: Simplify right side
    288,156.21x = 70,029,892,216.21
  5. Step 5: Solve for x
    x = 70,029,892,216.21/288,156.21
  6. Step 6: Final answer
    x = 243,027.53

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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.