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Finding the Fourth Proportional to 238,792.05, 358,050.70 and 142,825.12

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Solution

The fourth proportional to 238,792.05, 358,050.70 and 142,825.12 is: 214,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,792.05 : 358,050.70 = 142,825.12 : x
  2. Step 2: Convert to fraction form
    238,792.05/358,050.70 = 142,825.12/x
  3. Step 3: Cross multiply
    238,792.05x = 358,050.70 × 142,825.12
  4. Step 4: Simplify right side
    238,792.05x = 51,138,634,193.58
  5. Step 5: Solve for x
    x = 51,138,634,193.58/238,792.05
  6. Step 6: Final answer
    x = 214,155.51

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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.