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Finding the Fourth Proportional to 375,071.58, 562,656.81 and 122,263.49

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Solution

The fourth proportional to 375,071.58, 562,656.81 and 122,263.49 is: 183,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,071.58 : 562,656.81 = 122,263.49 : x
  2. Step 2: Convert to fraction form
    375,071.58/562,656.81 = 122,263.49/x
  3. Step 3: Cross multiply
    375,071.58x = 562,656.81 × 122,263.49
  4. Step 4: Simplify right side
    375,071.58x = 68,792,385,262.87
  5. Step 5: Solve for x
    x = 68,792,385,262.87/375,071.58
  6. Step 6: Final answer
    x = 183,411.35

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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.