Home / 507,857.06-761,885.11-188,011.55

Finding the Fourth Proportional to 507,857.06, 761,885.11 and 188,011.55

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Solution

The fourth proportional to 507,857.06, 761,885.11 and 188,011.55 is: 282,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,857.06 : 761,885.11 = 188,011.55 : x
  2. Step 2: Convert to fraction form
    507,857.06/761,885.11 = 188,011.55/x
  3. Step 3: Cross multiply
    507,857.06x = 761,885.11 × 188,011.55
  4. Step 4: Simplify right side
    507,857.06x = 143,243,199,735.68
  5. Step 5: Solve for x
    x = 143,243,199,735.68/507,857.06
  6. Step 6: Final answer
    x = 282,054.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.