Home / 291,288.30-436,946.85-151,320.30

Finding the Fourth Proportional to 291,288.30, 436,946.85 and 151,320.30

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Solution

The fourth proportional to 291,288.30, 436,946.85 and 151,320.30 is: 226,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,288.30 : 436,946.85 = 151,320.30 : x
  2. Step 2: Convert to fraction form
    291,288.30/436,946.85 = 151,320.30/x
  3. Step 3: Cross multiply
    291,288.30x = 436,946.85 × 151,320.30
  4. Step 4: Simplify right side
    291,288.30x = 66,118,928,426.06
  5. Step 5: Solve for x
    x = 66,118,928,426.06/291,288.30
  6. Step 6: Final answer
    x = 226,987.93

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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.