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Finding the Fourth Proportional to 210,599.64, 290,625.82 and 118,710.56

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Solution

The fourth proportional to 210,599.64, 290,625.82 and 118,710.56 is: 163,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,599.64 : 290,625.82 = 118,710.56 : x
  2. Step 2: Convert to fraction form
    210,599.64/290,625.82 = 118,710.56/x
  3. Step 3: Cross multiply
    210,599.64x = 290,625.82 × 118,710.56
  4. Step 4: Simplify right side
    210,599.64x = 34,500,353,842.66
  5. Step 5: Solve for x
    x = 34,500,353,842.66/210,599.64
  6. Step 6: Final answer
    x = 163,819.62

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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.