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Finding the Fourth Proportional to 229,477.88, 343,479.72 and 122,594.60

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Solution

The fourth proportional to 229,477.88, 343,479.72 and 122,594.60 is: 183,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,477.88 : 343,479.72 = 122,594.60 : x
  2. Step 2: Convert to fraction form
    229,477.88/343,479.72 = 122,594.60/x
  3. Step 3: Cross multiply
    229,477.88x = 343,479.72 × 122,594.60
  4. Step 4: Simplify right side
    229,477.88x = 42,108,758,881.51
  5. Step 5: Solve for x
    x = 42,108,758,881.51/229,477.88
  6. Step 6: Final answer
    x = 183,498.12

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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.