Home / 315,276.10-435,041.85-200,567.94

Finding the Fourth Proportional to 315,276.10, 435,041.85 and 200,567.94

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Solution

The fourth proportional to 315,276.10, 435,041.85 and 200,567.94 is: 276,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,276.10 : 435,041.85 = 200,567.94 : x
  2. Step 2: Convert to fraction form
    315,276.10/435,041.85 = 200,567.94/x
  3. Step 3: Cross multiply
    315,276.10x = 435,041.85 × 200,567.94
  4. Step 4: Simplify right side
    315,276.10x = 87,255,447,668.29
  5. Step 5: Solve for x
    x = 87,255,447,668.29/315,276.10
  6. Step 6: Final answer
    x = 276,758.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.