Home / 255,329.46-383,019.57-97,690.50

Finding the Fourth Proportional to 255,329.46, 383,019.57 and 97,690.50

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Solution

The fourth proportional to 255,329.46, 383,019.57 and 97,690.50 is: 146,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,329.46 : 383,019.57 = 97,690.50 : x
  2. Step 2: Convert to fraction form
    255,329.46/383,019.57 = 97,690.50/x
  3. Step 3: Cross multiply
    255,329.46x = 383,019.57 × 97,690.50
  4. Step 4: Simplify right side
    255,329.46x = 37,417,373,303.09
  5. Step 5: Solve for x
    x = 37,417,373,303.09/255,329.46
  6. Step 6: Final answer
    x = 146,545.46

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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.