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Finding the Fourth Proportional to 375,495, 563,368.20 and 122,787.12

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Solution

The fourth proportional to 375,495, 563,368.20 and 122,787.12 is: 184,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,495 : 563,368.20 = 122,787.12 : x
  2. Step 2: Convert to fraction form
    375,495/563,368.20 = 122,787.12/x
  3. Step 3: Cross multiply
    375,495x = 563,368.20 × 122,787.12
  4. Step 4: Simplify right side
    375,495x = 69,174,358,777.58
  5. Step 5: Solve for x
    x = 69,174,358,777.58/375,495
  6. Step 6: Final answer
    x = 184,221.78

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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.