Home / 346,890.20-520,076.10-189,296.60

Finding the Fourth Proportional to 346,890.20, 520,076.10 and 189,296.60

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Solution

The fourth proportional to 346,890.20, 520,076.10 and 189,296.60 is: 283,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,890.20 : 520,076.10 = 189,296.60 : x
  2. Step 2: Convert to fraction form
    346,890.20/520,076.10 = 189,296.60/x
  3. Step 3: Cross multiply
    346,890.20x = 520,076.10 × 189,296.60
  4. Step 4: Simplify right side
    346,890.20x = 98,448,637,471.26
  5. Step 5: Solve for x
    x = 98,448,637,471.26/346,890.20
  6. Step 6: Final answer
    x = 283,803.46

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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.