Home / 421,931.97-582,271.59-230,941.26

Finding the Fourth Proportional to 421,931.97, 582,271.59 and 230,941.26

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Solution

The fourth proportional to 421,931.97, 582,271.59 and 230,941.26 is: 318,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,931.97 : 582,271.59 = 230,941.26 : x
  2. Step 2: Convert to fraction form
    421,931.97/582,271.59 = 230,941.26/x
  3. Step 3: Cross multiply
    421,931.97x = 582,271.59 × 230,941.26
  4. Step 4: Simplify right side
    421,931.97x = 134,470,534,656.80
  5. Step 5: Solve for x
    x = 134,470,534,656.80/421,931.97
  6. Step 6: Final answer
    x = 318,701.93

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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.