Home / 421,816.23-582,087.74-230,837.67

Finding the Fourth Proportional to 421,816.23, 582,087.74 and 230,837.67

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Solution

The fourth proportional to 421,816.23, 582,087.74 and 230,837.67 is: 318,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,816.23 : 582,087.74 = 230,837.67 : x
  2. Step 2: Convert to fraction form
    421,816.23/582,087.74 = 230,837.67/x
  3. Step 3: Cross multiply
    421,816.23x = 582,087.74 × 230,837.67
  4. Step 4: Simplify right side
    421,816.23x = 134,367,776,482.98
  5. Step 5: Solve for x
    x = 134,367,776,482.98/421,816.23
  6. Step 6: Final answer
    x = 318,545.77

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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.