Home / 289,051.20-432,993.60-164,246.40

Finding the Fourth Proportional to 289,051.20, 432,993.60 and 164,246.40

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Solution

The fourth proportional to 289,051.20, 432,993.60 and 164,246.40 is: 246,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,051.20 : 432,993.60 = 164,246.40 : x
  2. Step 2: Convert to fraction form
    289,051.20/432,993.60 = 164,246.40/x
  3. Step 3: Cross multiply
    289,051.20x = 432,993.60 × 164,246.40
  4. Step 4: Simplify right side
    289,051.20x = 71,117,640,023.04
  5. Step 5: Solve for x
    x = 71,117,640,023.04/289,051.20
  6. Step 6: Final answer
    x = 246,038.21

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1.5x scale

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.