Home / 282,855.04-390,325.44-155,527.36

Finding the Fourth Proportional to 282,855.04, 390,325.44 and 155,527.36

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Solution

The fourth proportional to 282,855.04, 390,325.44 and 155,527.36 is: 214,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,855.04 : 390,325.44 = 155,527.36 : x
  2. Step 2: Convert to fraction form
    282,855.04/390,325.44 = 155,527.36/x
  3. Step 3: Cross multiply
    282,855.04x = 390,325.44 × 155,527.36
  4. Step 4: Simplify right side
    282,855.04x = 60,706,285,224.04
  5. Step 5: Solve for x
    x = 60,706,285,224.04/282,855.04
  6. Step 6: Final answer
    x = 214,619.78

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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.