Home / 340,986.24-470,522.93-218,422.71

Finding the Fourth Proportional to 340,986.24, 470,522.93 and 218,422.71

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Solution

The fourth proportional to 340,986.24, 470,522.93 and 218,422.71 is: 301,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,986.24 : 470,522.93 = 218,422.71 : x
  2. Step 2: Convert to fraction form
    340,986.24/470,522.93 = 218,422.71/x
  3. Step 3: Cross multiply
    340,986.24x = 470,522.93 × 218,422.71
  4. Step 4: Simplify right side
    340,986.24x = 102,772,892,395.63
  5. Step 5: Solve for x
    x = 102,772,892,395.63/340,986.24
  6. Step 6: Final answer
    x = 301,398.94

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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.