Home / 389,110.62-536,973.03-210,262.62

Finding the Fourth Proportional to 389,110.62, 536,973.03 and 210,262.62

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Solution

The fourth proportional to 389,110.62, 536,973.03 and 210,262.62 is: 290,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,110.62 : 536,973.03 = 210,262.62 : x
  2. Step 2: Convert to fraction form
    389,110.62/536,973.03 = 210,262.62/x
  3. Step 3: Cross multiply
    389,110.62x = 536,973.03 × 210,262.62
  4. Step 4: Simplify right side
    389,110.62x = 112,905,356,157.14
  5. Step 5: Solve for x
    x = 112,905,356,157.14/389,110.62
  6. Step 6: Final answer
    x = 290,162.62

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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.