Home / 455,525.20-683,197.08-155,980.72

Finding the Fourth Proportional to 455,525.20, 683,197.08 and 155,980.72

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Solution

The fourth proportional to 455,525.20, 683,197.08 and 155,980.72 is: 233,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,525.20 : 683,197.08 = 155,980.72 : x
  2. Step 2: Convert to fraction form
    455,525.20/683,197.08 = 155,980.72/x
  3. Step 3: Cross multiply
    455,525.20x = 683,197.08 × 155,980.72
  4. Step 4: Simplify right side
    455,525.20x = 106,565,572,440.30
  5. Step 5: Solve for x
    x = 106,565,572,440.30/455,525.20
  6. Step 6: Final answer
    x = 233,940.02

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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.