Home / 379,911.34-524,271.18-210,145.33

Finding the Fourth Proportional to 379,911.34, 524,271.18 and 210,145.33

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Solution

The fourth proportional to 379,911.34, 524,271.18 and 210,145.33 is: 289,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,911.34 : 524,271.18 = 210,145.33 : x
  2. Step 2: Convert to fraction form
    379,911.34/524,271.18 = 210,145.33/x
  3. Step 3: Cross multiply
    379,911.34x = 524,271.18 × 210,145.33
  4. Step 4: Simplify right side
    379,911.34x = 110,173,140,130.59
  5. Step 5: Solve for x
    x = 110,173,140,130.59/379,911.34
  6. Step 6: Final answer
    x = 289,996.98

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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.