Home / 313,376.20-470,064.30-238,726.60

Finding the Fourth Proportional to 313,376.20, 470,064.30 and 238,726.60

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Solution

The fourth proportional to 313,376.20, 470,064.30 and 238,726.60 is: 358,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,376.20 : 470,064.30 = 238,726.60 : x
  2. Step 2: Convert to fraction form
    313,376.20/470,064.30 = 238,726.60/x
  3. Step 3: Cross multiply
    313,376.20x = 470,064.30 × 238,726.60
  4. Step 4: Simplify right side
    313,376.20x = 112,216,852,120.38
  5. Step 5: Solve for x
    x = 112,216,852,120.38/313,376.20
  6. Step 6: Final answer
    x = 358,089.90

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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.