Home / 313,270.20-470,051.10-163,679.40

Finding the Fourth Proportional to 313,270.20, 470,051.10 and 163,679.40

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Solution

The fourth proportional to 313,270.20, 470,051.10 and 163,679.40 is: 245,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,270.20 : 470,051.10 = 163,679.40 : x
  2. Step 2: Convert to fraction form
    313,270.20/470,051.10 = 163,679.40/x
  3. Step 3: Cross multiply
    313,270.20x = 470,051.10 × 163,679.40
  4. Step 4: Simplify right side
    313,270.20x = 76,937,682,017.34
  5. Step 5: Solve for x
    x = 76,937,682,017.34/313,270.20
  6. Step 6: Final answer
    x = 245,595.28

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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.