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Finding the Fourth Proportional to 301,281.60, 451,922.40 and 262,401.60

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Solution

The fourth proportional to 301,281.60, 451,922.40 and 262,401.60 is: 393,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,281.60 : 451,922.40 = 262,401.60 : x
  2. Step 2: Convert to fraction form
    301,281.60/451,922.40 = 262,401.60/x
  3. Step 3: Cross multiply
    301,281.60x = 451,922.40 × 262,401.60
  4. Step 4: Simplify right side
    301,281.60x = 118,585,160,835.84
  5. Step 5: Solve for x
    x = 118,585,160,835.84/301,281.60
  6. Step 6: Final answer
    x = 393,602.40

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1.5x scale

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.