Home / 282,846.14-390,329.16-155,529.98

Finding the Fourth Proportional to 282,846.14, 390,329.16 and 155,529.98

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Solution

The fourth proportional to 282,846.14, 390,329.16 and 155,529.98 is: 214,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,846.14 : 390,329.16 = 155,529.98 : x
  2. Step 2: Convert to fraction form
    282,846.14/390,329.16 = 155,529.98/x
  3. Step 3: Cross multiply
    282,846.14x = 390,329.16 × 155,529.98
  4. Step 4: Simplify right side
    282,846.14x = 60,707,886,448.22
  5. Step 5: Solve for x
    x = 60,707,886,448.22/282,846.14
  6. Step 6: Final answer
    x = 214,632.19

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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.