Home / 346,538.20-520,001.70-146,824.60

Finding the Fourth Proportional to 346,538.20, 520,001.70 and 146,824.60

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Solution

The fourth proportional to 346,538.20, 520,001.70 and 146,824.60 is: 220,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,538.20 : 520,001.70 = 146,824.60 : x
  2. Step 2: Convert to fraction form
    346,538.20/520,001.70 = 146,824.60/x
  3. Step 3: Cross multiply
    346,538.20x = 520,001.70 × 146,824.60
  4. Step 4: Simplify right side
    346,538.20x = 76,349,041,601.82
  5. Step 5: Solve for x
    x = 76,349,041,601.82/346,538.20
  6. Step 6: Final answer
    x = 220,319.27

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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.