Home / 342,984.69-514,477.23-143,196.16

Finding the Fourth Proportional to 342,984.69, 514,477.23 and 143,196.16

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Solution

The fourth proportional to 342,984.69, 514,477.23 and 143,196.16 is: 214,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,984.69 : 514,477.23 = 143,196.16 : x
  2. Step 2: Convert to fraction form
    342,984.69/514,477.23 = 143,196.16/x
  3. Step 3: Cross multiply
    342,984.69x = 514,477.23 × 143,196.16
  4. Step 4: Simplify right side
    342,984.69x = 73,671,163,743.44
  5. Step 5: Solve for x
    x = 73,671,163,743.44/342,984.69
  6. Step 6: Final answer
    x = 214,794.32

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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.