Home / 346,544.20-520,010.70-146,830.60

Finding the Fourth Proportional to 346,544.20, 520,010.70 and 146,830.60

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Solution

The fourth proportional to 346,544.20, 520,010.70 and 146,830.60 is: 220,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,544.20 : 520,010.70 = 146,830.60 : x
  2. Step 2: Convert to fraction form
    346,544.20/520,010.70 = 146,830.60/x
  3. Step 3: Cross multiply
    346,544.20x = 520,010.70 × 146,830.60
  4. Step 4: Simplify right side
    346,544.20x = 76,353,483,087.42
  5. Step 5: Solve for x
    x = 76,353,483,087.42/346,544.20
  6. Step 6: Final answer
    x = 220,328.27

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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.