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Finding the Fourth Proportional to 234,495, 323,603.10 and 127,064.16

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Solution

The fourth proportional to 234,495, 323,603.10 and 127,064.16 is: 175,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,495 : 323,603.10 = 127,064.16 : x
  2. Step 2: Convert to fraction form
    234,495/323,603.10 = 127,064.16/x
  3. Step 3: Cross multiply
    234,495x = 323,603.10 × 127,064.16
  4. Step 4: Simplify right side
    234,495x = 41,118,356,074.90
  5. Step 5: Solve for x
    x = 41,118,356,074.90/234,495
  6. Step 6: Final answer
    x = 175,348.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.