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Finding the Fourth Proportional to 210,760.64, 290,877.77 and 118,898.60

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Solution

The fourth proportional to 210,760.64, 290,877.77 and 118,898.60 is: 164,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,760.64 : 290,877.77 = 118,898.60 : x
  2. Step 2: Convert to fraction form
    210,760.64/290,877.77 = 118,898.60/x
  3. Step 3: Cross multiply
    210,760.64x = 290,877.77 × 118,898.60
  4. Step 4: Simplify right side
    210,760.64x = 34,584,960,648.56
  5. Step 5: Solve for x
    x = 34,584,960,648.56/210,760.64
  6. Step 6: Final answer
    x = 164,095.92

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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.