Home / 340,865.12-470,395.44-197,709.92

Finding the Fourth Proportional to 340,865.12, 470,395.44 and 197,709.92

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Solution

The fourth proportional to 340,865.12, 470,395.44 and 197,709.92 is: 272,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,865.12 : 470,395.44 = 197,709.92 : x
  2. Step 2: Convert to fraction form
    340,865.12/470,395.44 = 197,709.92/x
  3. Step 3: Cross multiply
    340,865.12x = 470,395.44 × 197,709.92
  4. Step 4: Simplify right side
    340,865.12x = 93,001,844,810.76
  5. Step 5: Solve for x
    x = 93,001,844,810.76/340,865.12
  6. Step 6: Final answer
    x = 272,840.60

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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.