Home / 255,628.28-383,491.02-115,386.50

Finding the Fourth Proportional to 255,628.28, 383,491.02 and 115,386.50

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Solution

The fourth proportional to 255,628.28, 383,491.02 and 115,386.50 is: 173,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,628.28 : 383,491.02 = 115,386.50 : x
  2. Step 2: Convert to fraction form
    255,628.28/383,491.02 = 115,386.50/x
  3. Step 3: Cross multiply
    255,628.28x = 383,491.02 × 115,386.50
  4. Step 4: Simplify right side
    255,628.28x = 44,249,686,579.23
  5. Step 5: Solve for x
    x = 44,249,686,579.23/255,628.28
  6. Step 6: Final answer
    x = 173,101.69

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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.