Home / 349,848.60-523,563.30-209,707.80

Finding the Fourth Proportional to 349,848.60, 523,563.30 and 209,707.80

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Solution

The fourth proportional to 349,848.60, 523,563.30 and 209,707.80 is: 313,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,848.60 : 523,563.30 = 209,707.80 : x
  2. Step 2: Convert to fraction form
    349,848.60/523,563.30 = 209,707.80/x
  3. Step 3: Cross multiply
    349,848.60x = 523,563.30 × 209,707.80
  4. Step 4: Simplify right side
    349,848.60x = 109,795,307,803.74
  5. Step 5: Solve for x
    x = 109,795,307,803.74/349,848.60
  6. Step 6: Final answer
    x = 313,836.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.