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Finding the Fourth Proportional to 210,040.65, 289,844.55 and 119,384.01

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Solution

The fourth proportional to 210,040.65, 289,844.55 and 119,384.01 is: 164,743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,040.65 : 289,844.55 = 119,384.01 : x
  2. Step 2: Convert to fraction form
    210,040.65/289,844.55 = 119,384.01/x
  3. Step 3: Cross multiply
    210,040.65x = 289,844.55 × 119,384.01
  4. Step 4: Simplify right side
    210,040.65x = 34,602,804,655.65
  5. Step 5: Solve for x
    x = 34,602,804,655.65/210,040.65
  6. Step 6: Final answer
    x = 164,743.37

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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.