Home / 313,280.07-470,021.30-144,910.84

Finding the Fourth Proportional to 313,280.07, 470,021.30 and 144,910.84

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Solution

The fourth proportional to 313,280.07, 470,021.30 and 144,910.84 is: 217,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,280.07 : 470,021.30 = 144,910.84 : x
  2. Step 2: Convert to fraction form
    313,280.07/470,021.30 = 144,910.84/x
  3. Step 3: Cross multiply
    313,280.07x = 470,021.30 × 144,910.84
  4. Step 4: Simplify right side
    313,280.07x = 68,111,180,672.58
  5. Step 5: Solve for x
    x = 68,111,180,672.58/313,280.07
  6. Step 6: Final answer
    x = 217,413.07

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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.