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Finding the Fourth Proportional to 210,060, 290,124.63 and 152,954.64

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Solution

The fourth proportional to 210,060, 290,124.63 and 152,954.64 is: 211,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,060 : 290,124.63 = 152,954.64 : x
  2. Step 2: Convert to fraction form
    210,060/290,124.63 = 152,954.64/x
  3. Step 3: Cross multiply
    210,060x = 290,124.63 × 152,954.64
  4. Step 4: Simplify right side
    210,060x = 44,375,908,336.78
  5. Step 5: Solve for x
    x = 44,375,908,336.78/210,060
  6. Step 6: Final answer
    x = 211,253.49

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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.