Home / 278,384.03-384,148.84-163,667.37

Finding the Fourth Proportional to 278,384.03, 384,148.84 and 163,667.37

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Solution

The fourth proportional to 278,384.03, 384,148.84 and 163,667.37 is: 225,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,384.03 : 384,148.84 = 163,667.37 : x
  2. Step 2: Convert to fraction form
    278,384.03/384,148.84 = 163,667.37/x
  3. Step 3: Cross multiply
    278,384.03x = 384,148.84 × 163,667.37
  4. Step 4: Simplify right side
    278,384.03x = 62,872,630,331.35
  5. Step 5: Solve for x
    x = 62,872,630,331.35/278,384.03
  6. Step 6: Final answer
    x = 225,848.55

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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.