Home / 313,246.20-470,015.10-163,655.40

Finding the Fourth Proportional to 313,246.20, 470,015.10 and 163,655.40

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Solution

The fourth proportional to 313,246.20, 470,015.10 and 163,655.40 is: 245,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,246.20 : 470,015.10 = 163,655.40 : x
  2. Step 2: Convert to fraction form
    313,246.20/470,015.10 = 163,655.40/x
  3. Step 3: Cross multiply
    313,246.20x = 470,015.10 × 163,655.40
  4. Step 4: Simplify right side
    313,246.20x = 76,920,509,196.54
  5. Step 5: Solve for x
    x = 76,920,509,196.54/313,246.20
  6. Step 6: Final answer
    x = 245,559.27

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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.