Home / 349,266.03-523,995.75-139,051.59

Finding the Fourth Proportional to 349,266.03, 523,995.75 and 139,051.59

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Solution

The fourth proportional to 349,266.03, 523,995.75 and 139,051.59 is: 208,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,266.03 : 523,995.75 = 139,051.59 : x
  2. Step 2: Convert to fraction form
    349,266.03/523,995.75 = 139,051.59/x
  3. Step 3: Cross multiply
    349,266.03x = 523,995.75 × 139,051.59
  4. Step 4: Simplify right side
    349,266.03x = 72,862,442,190.74
  5. Step 5: Solve for x
    x = 72,862,442,190.74/349,266.03
  6. Step 6: Final answer
    x = 208,615.89

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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.