Home / 286,246.28-395,004.45-158,913.67

Finding the Fourth Proportional to 286,246.28, 395,004.45 and 158,913.67

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Solution

The fourth proportional to 286,246.28, 395,004.45 and 158,913.67 is: 219,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,246.28 : 395,004.45 = 158,913.67 : x
  2. Step 2: Convert to fraction form
    286,246.28/395,004.45 = 158,913.67/x
  3. Step 3: Cross multiply
    286,246.28x = 395,004.45 × 158,913.67
  4. Step 4: Simplify right side
    286,246.28x = 62,771,606,815.83
  5. Step 5: Solve for x
    x = 62,771,606,815.83/286,246.28
  6. Step 6: Final answer
    x = 219,292.31

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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.