Home / 210,467.63-315,704.18-70,226.25

Finding the Fourth Proportional to 210,467.63, 315,704.18 and 70,226.25

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Solution

The fourth proportional to 210,467.63, 315,704.18 and 70,226.25 is: 105,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,467.63 : 315,704.18 = 70,226.25 : x
  2. Step 2: Convert to fraction form
    210,467.63/315,704.18 = 70,226.25/x
  3. Step 3: Cross multiply
    210,467.63x = 315,704.18 × 70,226.25
  4. Step 4: Simplify right side
    210,467.63x = 22,170,720,319.59
  5. Step 5: Solve for x
    x = 22,170,720,319.59/210,467.63
  6. Step 6: Final answer
    x = 105,340.29

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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.