Home / 255,688.12-383,532.17-242,902.71

Finding the Fourth Proportional to 255,688.12, 383,532.17 and 242,902.71

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Solution

The fourth proportional to 255,688.12, 383,532.17 and 242,902.71 is: 364,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,688.12 : 383,532.17 = 242,902.71 : x
  2. Step 2: Convert to fraction form
    255,688.12/383,532.17 = 242,902.71/x
  3. Step 3: Cross multiply
    255,688.12x = 383,532.17 × 242,902.71
  4. Step 4: Simplify right side
    255,688.12x = 93,161,003,814.76
  5. Step 5: Solve for x
    x = 93,161,003,814.76/255,688.12
  6. Step 6: Final answer
    x = 364,354.06

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1.5x scale

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.