Home / 340,917.58-470,271.18-213,371.74

Finding the Fourth Proportional to 340,917.58, 470,271.18 and 213,371.74

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Solution

The fourth proportional to 340,917.58, 470,271.18 and 213,371.74 is: 294,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,917.58 : 470,271.18 = 213,371.74 : x
  2. Step 2: Convert to fraction form
    340,917.58/470,271.18 = 213,371.74/x
  3. Step 3: Cross multiply
    340,917.58x = 470,271.18 × 213,371.74
  4. Step 4: Simplify right side
    340,917.58x = 100,342,579,948.45
  5. Step 5: Solve for x
    x = 100,342,579,948.45/340,917.58
  6. Step 6: Final answer
    x = 294,330.91

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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.