Home / 340,148.57-510,296.66-103,485.09

Finding the Fourth Proportional to 340,148.57, 510,296.66 and 103,485.09

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Solution

The fourth proportional to 340,148.57, 510,296.66 and 103,485.09 is: 155,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,148.57 : 510,296.66 = 103,485.09 : x
  2. Step 2: Convert to fraction form
    340,148.57/510,296.66 = 103,485.09/x
  3. Step 3: Cross multiply
    340,148.57x = 510,296.66 × 103,485.09
  4. Step 4: Simplify right side
    340,148.57x = 52,808,097,571.06
  5. Step 5: Solve for x
    x = 52,808,097,571.06/340,148.57
  6. Step 6: Final answer
    x = 155,250.10

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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.