Home / 291,746.55-402,455.97-200,946.36

Finding the Fourth Proportional to 291,746.55, 402,455.97 and 200,946.36

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Solution

The fourth proportional to 291,746.55, 402,455.97 and 200,946.36 is: 277,199.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,746.55 : 402,455.97 = 200,946.36 : x
  2. Step 2: Convert to fraction form
    291,746.55/402,455.97 = 200,946.36/x
  3. Step 3: Cross multiply
    291,746.55x = 402,455.97 × 200,946.36
  4. Step 4: Simplify right side
    291,746.55x = 80,872,062,231.77
  5. Step 5: Solve for x
    x = 80,872,062,231.77/291,746.55
  6. Step 6: Final answer
    x = 277,199.72

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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.