Home / 228,128.94-342,196.92-70,357.14

Finding the Fourth Proportional to 228,128.94, 342,196.92 and 70,357.14

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Solution

The fourth proportional to 228,128.94, 342,196.92 and 70,357.14 is: 105,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,128.94 : 342,196.92 = 70,357.14 : x
  2. Step 2: Convert to fraction form
    228,128.94/342,196.92 = 70,357.14/x
  3. Step 3: Cross multiply
    228,128.94x = 342,196.92 × 70,357.14
  4. Step 4: Simplify right side
    228,128.94x = 24,075,996,608.01
  5. Step 5: Solve for x
    x = 24,075,996,608.01/228,128.94
  6. Step 6: Final answer
    x = 105,536.79

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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.