Home / 219,258.72-302,582.64-123,774.24

Finding the Fourth Proportional to 219,258.72, 302,582.64 and 123,774.24

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Solution

The fourth proportional to 219,258.72, 302,582.64 and 123,774.24 is: 170,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,258.72 : 302,582.64 = 123,774.24 : x
  2. Step 2: Convert to fraction form
    219,258.72/302,582.64 = 123,774.24/x
  3. Step 3: Cross multiply
    219,258.72x = 302,582.64 × 123,774.24
  4. Step 4: Simplify right side
    219,258.72x = 37,451,936,303.19
  5. Step 5: Solve for x
    x = 37,451,936,303.19/219,258.72
  6. Step 6: Final answer
    x = 170,811.62

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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.