Home / 279,516.81-385,740.14-152,199.39

Finding the Fourth Proportional to 279,516.81, 385,740.14 and 152,199.39

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Solution

The fourth proportional to 279,516.81, 385,740.14 and 152,199.39 is: 210,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,516.81 : 385,740.14 = 152,199.39 : x
  2. Step 2: Convert to fraction form
    279,516.81/385,740.14 = 152,199.39/x
  3. Step 3: Cross multiply
    279,516.81x = 385,740.14 × 152,199.39
  4. Step 4: Simplify right side
    279,516.81x = 58,709,413,245.52
  5. Step 5: Solve for x
    x = 58,709,413,245.52/279,516.81
  6. Step 6: Final answer
    x = 210,038.94

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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.