Home / 465,250.10-697,923.21-128,290.81

Finding the Fourth Proportional to 465,250.10, 697,923.21 and 128,290.81

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Solution

The fourth proportional to 465,250.10, 697,923.21 and 128,290.81 is: 192,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,250.10 : 697,923.21 = 128,290.81 : x
  2. Step 2: Convert to fraction form
    465,250.10/697,923.21 = 128,290.81/x
  3. Step 3: Cross multiply
    465,250.10x = 697,923.21 × 128,290.81
  4. Step 4: Simplify right side
    465,250.10x = 89,537,130,439.08
  5. Step 5: Solve for x
    x = 89,537,130,439.08/465,250.10
  6. Step 6: Final answer
    x = 192,449.46

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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.