Home / 245,711.72-368,567.27-77,246.75

Finding the Fourth Proportional to 245,711.72, 368,567.27 and 77,246.75

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Solution

The fourth proportional to 245,711.72, 368,567.27 and 77,246.75 is: 115,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,711.72 : 368,567.27 = 77,246.75 : x
  2. Step 2: Convert to fraction form
    245,711.72/368,567.27 = 77,246.75/x
  3. Step 3: Cross multiply
    245,711.72x = 368,567.27 × 77,246.75
  4. Step 4: Simplify right side
    245,711.72x = 28,470,624,878.41
  5. Step 5: Solve for x
    x = 28,470,624,878.41/245,711.72
  6. Step 6: Final answer
    x = 115,870.03

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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.