Home / 340,145.16-469,243.28-219,325.25

Finding the Fourth Proportional to 340,145.16, 469,243.28 and 219,325.25

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Solution

The fourth proportional to 340,145.16, 469,243.28 and 219,325.25 is: 302,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,145.16 : 469,243.28 = 219,325.25 : x
  2. Step 2: Convert to fraction form
    340,145.16/469,243.28 = 219,325.25/x
  3. Step 3: Cross multiply
    340,145.16x = 469,243.28 × 219,325.25
  4. Step 4: Simplify right side
    340,145.16x = 102,916,896,253.98
  5. Step 5: Solve for x
    x = 102,916,896,253.98/340,145.16
  6. Step 6: Final answer
    x = 302,567.58

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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.