Home / 291,440.10-437,030.55-133,716.90

Finding the Fourth Proportional to 291,440.10, 437,030.55 and 133,716.90

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Solution

The fourth proportional to 291,440.10, 437,030.55 and 133,716.90 is: 200,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,440.10 : 437,030.55 = 133,716.90 : x
  2. Step 2: Convert to fraction form
    291,440.10/437,030.55 = 133,716.90/x
  3. Step 3: Cross multiply
    291,440.10x = 437,030.55 × 133,716.90
  4. Step 4: Simplify right side
    291,440.10x = 58,438,370,351.30
  5. Step 5: Solve for x
    x = 58,438,370,351.30/291,440.10
  6. Step 6: Final answer
    x = 200,515.89

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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.