Home / 421,931.98-582,271.58-230,941.26

Finding the Fourth Proportional to 421,931.98, 582,271.58 and 230,941.26

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Solution

The fourth proportional to 421,931.98, 582,271.58 and 230,941.26 is: 318,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,931.98 : 582,271.58 = 230,941.26 : x
  2. Step 2: Convert to fraction form
    421,931.98/582,271.58 = 230,941.26/x
  3. Step 3: Cross multiply
    421,931.98x = 582,271.58 × 230,941.26
  4. Step 4: Simplify right side
    421,931.98x = 134,470,532,347.39
  5. Step 5: Solve for x
    x = 134,470,532,347.39/421,931.98
  6. Step 6: Final answer
    x = 318,701.92

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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.