Home / 219,582.72-302,856.93-189,007.83

Finding the Fourth Proportional to 219,582.72, 302,856.93 and 189,007.83

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Solution

The fourth proportional to 219,582.72, 302,856.93 and 189,007.83 is: 260,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,582.72 : 302,856.93 = 189,007.83 : x
  2. Step 2: Convert to fraction form
    219,582.72/302,856.93 = 189,007.83/x
  3. Step 3: Cross multiply
    219,582.72x = 302,856.93 × 189,007.83
  4. Step 4: Simplify right side
    219,582.72x = 57,242,331,139.76
  5. Step 5: Solve for x
    x = 57,242,331,139.76/219,582.72
  6. Step 6: Final answer
    x = 260,686.87

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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.