Home / 421,813.98-582,084.63-230,835.42

Finding the Fourth Proportional to 421,813.98, 582,084.63 and 230,835.42

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Solution

The fourth proportional to 421,813.98, 582,084.63 and 230,835.42 is: 318,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,813.98 : 582,084.63 = 230,835.42 : x
  2. Step 2: Convert to fraction form
    421,813.98/582,084.63 = 230,835.42/x
  3. Step 3: Cross multiply
    421,813.98x = 582,084.63 × 230,835.42
  4. Step 4: Simplify right side
    421,813.98x = 134,365,750,041.60
  5. Step 5: Solve for x
    x = 134,365,750,041.60/421,813.98
  6. Step 6: Final answer
    x = 318,542.67

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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.