Home / 309,905.40-464,858.10-204,929.40

Finding the Fourth Proportional to 309,905.40, 464,858.10 and 204,929.40

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Solution

The fourth proportional to 309,905.40, 464,858.10 and 204,929.40 is: 307,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,905.40 : 464,858.10 = 204,929.40 : x
  2. Step 2: Convert to fraction form
    309,905.40/464,858.10 = 204,929.40/x
  3. Step 3: Cross multiply
    309,905.40x = 464,858.10 × 204,929.40
  4. Step 4: Simplify right side
    309,905.40x = 95,263,091,518.14
  5. Step 5: Solve for x
    x = 95,263,091,518.14/309,905.40
  6. Step 6: Final answer
    x = 307,394.10

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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.