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Finding the Fourth Proportional to 210,289.84, 290,200.50 and 114,796.60

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Solution

The fourth proportional to 210,289.84, 290,200.50 and 114,796.60 is: 158,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,289.84 : 290,200.50 = 114,796.60 : x
  2. Step 2: Convert to fraction form
    210,289.84/290,200.50 = 114,796.60/x
  3. Step 3: Cross multiply
    210,289.84x = 290,200.50 × 114,796.60
  4. Step 4: Simplify right side
    210,289.84x = 33,314,030,718.30
  5. Step 5: Solve for x
    x = 33,314,030,718.30/210,289.84
  6. Step 6: Final answer
    x = 158,419.59

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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.