Home / 219,011.44-302,234.52-118,407.28

Finding the Fourth Proportional to 219,011.44, 302,234.52 and 118,407.28

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Solution

The fourth proportional to 219,011.44, 302,234.52 and 118,407.28 is: 163,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,011.44 : 302,234.52 = 118,407.28 : x
  2. Step 2: Convert to fraction form
    219,011.44/302,234.52 = 118,407.28/x
  3. Step 3: Cross multiply
    219,011.44x = 302,234.52 × 118,407.28
  4. Step 4: Simplify right side
    219,011.44x = 35,786,767,435.31
  5. Step 5: Solve for x
    x = 35,786,767,435.31/219,011.44
  6. Step 6: Final answer
    x = 163,401.36

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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.