Home / 228,075.24-342,014.88-78,330.54

Finding the Fourth Proportional to 228,075.24, 342,014.88 and 78,330.54

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Solution

The fourth proportional to 228,075.24, 342,014.88 and 78,330.54 is: 117,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,075.24 : 342,014.88 = 78,330.54 : x
  2. Step 2: Convert to fraction form
    228,075.24/342,014.88 = 78,330.54/x
  3. Step 3: Cross multiply
    228,075.24x = 342,014.88 × 78,330.54
  4. Step 4: Simplify right side
    228,075.24x = 26,790,210,238.44
  5. Step 5: Solve for x
    x = 26,790,210,238.44/228,075.24
  6. Step 6: Final answer
    x = 117,462.16

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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.