Home / 228,538.77-340,395.16-216,536.24

Finding the Fourth Proportional to 228,538.77, 340,395.16 and 216,536.24

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Solution

The fourth proportional to 228,538.77, 340,395.16 and 216,536.24 is: 322,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,538.77 : 340,395.16 = 216,536.24 : x
  2. Step 2: Convert to fraction form
    228,538.77/340,395.16 = 216,536.24/x
  3. Step 3: Cross multiply
    228,538.77x = 340,395.16 × 216,536.24
  4. Step 4: Simplify right side
    228,538.77x = 73,707,886,861.53
  5. Step 5: Solve for x
    x = 73,707,886,861.53/228,538.77
  6. Step 6: Final answer
    x = 322,518.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.