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Finding the Fourth Proportional to 340,149.04, 510,297.38 and 103,485.57

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Solution

The fourth proportional to 340,149.04, 510,297.38 and 103,485.57 is: 155,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,149.04 : 510,297.38 = 103,485.57 : x
  2. Step 2: Convert to fraction form
    340,149.04/510,297.38 = 103,485.57/x
  3. Step 3: Cross multiply
    340,149.04x = 510,297.38 × 103,485.57
  4. Step 4: Simplify right side
    340,149.04x = 52,808,415,238.81
  5. Step 5: Solve for x
    x = 52,808,415,238.81/340,149.04
  6. Step 6: Final answer
    x = 155,250.81

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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.