Home / 281,379.15-388,303.44-152,317.23

Finding the Fourth Proportional to 281,379.15, 388,303.44 and 152,317.23

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Solution

The fourth proportional to 281,379.15, 388,303.44 and 152,317.23 is: 210,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,379.15 : 388,303.44 = 152,317.23 : x
  2. Step 2: Convert to fraction form
    281,379.15/388,303.44 = 152,317.23/x
  3. Step 3: Cross multiply
    281,379.15x = 388,303.44 × 152,317.23
  4. Step 4: Simplify right side
    281,379.15x = 59,145,302,352.94
  5. Step 5: Solve for x
    x = 59,145,302,352.94/281,379.15
  6. Step 6: Final answer
    x = 210,197.89

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1.5x scale

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.