Home / 238,729.98-358,039.41-70,205.23

Finding the Fourth Proportional to 238,729.98, 358,039.41 and 70,205.23

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Solution

The fourth proportional to 238,729.98, 358,039.41 and 70,205.23 is: 105,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,729.98 : 358,039.41 = 70,205.23 : x
  2. Step 2: Convert to fraction form
    238,729.98/358,039.41 = 70,205.23/x
  3. Step 3: Cross multiply
    238,729.98x = 358,039.41 × 70,205.23
  4. Step 4: Simplify right side
    238,729.98x = 25,136,239,312.39
  5. Step 5: Solve for x
    x = 25,136,239,312.39/238,729.98
  6. Step 6: Final answer
    x = 105,291.51

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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.