Home / 319,222.56-477,422.01-283,931.67

Finding the Fourth Proportional to 319,222.56, 477,422.01 and 283,931.67

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Solution

The fourth proportional to 319,222.56, 477,422.01 and 283,931.67 is: 424,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,222.56 : 477,422.01 = 283,931.67 : x
  2. Step 2: Convert to fraction form
    319,222.56/477,422.01 = 283,931.67/x
  3. Step 3: Cross multiply
    319,222.56x = 477,422.01 × 283,931.67
  4. Step 4: Simplify right side
    319,222.56x = 135,555,228,594.06
  5. Step 5: Solve for x
    x = 135,555,228,594.06/319,222.56
  6. Step 6: Final answer
    x = 424,641.76

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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.