Home / 282,962.74-390,544.06-162,185

Finding the Fourth Proportional to 282,962.74, 390,544.06 and 162,185

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Solution

The fourth proportional to 282,962.74, 390,544.06 and 162,185 is: 223,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,962.74 : 390,544.06 = 162,185 : x
  2. Step 2: Convert to fraction form
    282,962.74/390,544.06 = 162,185/x
  3. Step 3: Cross multiply
    282,962.74x = 390,544.06 × 162,185
  4. Step 4: Simplify right side
    282,962.74x = 63,340,388,371.10
  5. Step 5: Solve for x
    x = 63,340,388,371.10/282,962.74
  6. Step 6: Final answer
    x = 223,847.10

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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.