Home / 426,851.37-640,607.54-160,853.85

Finding the Fourth Proportional to 426,851.37, 640,607.54 and 160,853.85

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Solution

The fourth proportional to 426,851.37, 640,607.54 and 160,853.85 is: 241,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,851.37 : 640,607.54 = 160,853.85 : x
  2. Step 2: Convert to fraction form
    426,851.37/640,607.54 = 160,853.85/x
  3. Step 3: Cross multiply
    426,851.37x = 640,607.54 × 160,853.85
  4. Step 4: Simplify right side
    426,851.37x = 103,044,188,343.76
  5. Step 5: Solve for x
    x = 103,044,188,343.76/426,851.37
  6. Step 6: Final answer
    x = 241,405.31

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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.