Home / 219,297.54-302,603.13-122,478.24

Finding the Fourth Proportional to 219,297.54, 302,603.13 and 122,478.24

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Solution

The fourth proportional to 219,297.54, 302,603.13 and 122,478.24 is: 169,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,297.54 : 302,603.13 = 122,478.24 : x
  2. Step 2: Convert to fraction form
    219,297.54/302,603.13 = 122,478.24/x
  3. Step 3: Cross multiply
    219,297.54x = 302,603.13 × 122,478.24
  4. Step 4: Simplify right side
    219,297.54x = 37,062,298,780.89
  5. Step 5: Solve for x
    x = 37,062,298,780.89/219,297.54
  6. Step 6: Final answer
    x = 169,004.63

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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.