Home / 446,946.78-616,786.50-245,742.78

Finding the Fourth Proportional to 446,946.78, 616,786.50 and 245,742.78

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Solution

The fourth proportional to 446,946.78, 616,786.50 and 245,742.78 is: 339,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,946.78 : 616,786.50 = 245,742.78 : x
  2. Step 2: Convert to fraction form
    446,946.78/616,786.50 = 245,742.78/x
  3. Step 3: Cross multiply
    446,946.78x = 616,786.50 × 245,742.78
  4. Step 4: Simplify right side
    446,946.78x = 151,570,829,176.47
  5. Step 5: Solve for x
    x = 151,570,829,176.47/446,946.78
  6. Step 6: Final answer
    x = 339,125.01

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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.