Home / 383,048.50-574,572.75-120,392.50

Finding the Fourth Proportional to 383,048.50, 574,572.75 and 120,392.50

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Solution

The fourth proportional to 383,048.50, 574,572.75 and 120,392.50 is: 180,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,048.50 : 574,572.75 = 120,392.50 : x
  2. Step 2: Convert to fraction form
    383,048.50/574,572.75 = 120,392.50/x
  3. Step 3: Cross multiply
    383,048.50x = 574,572.75 × 120,392.50
  4. Step 4: Simplify right side
    383,048.50x = 69,174,249,804.38
  5. Step 5: Solve for x
    x = 69,174,249,804.38/383,048.50
  6. Step 6: Final answer
    x = 180,588.75

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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.