Home / 282,977.76-390,501.08-155,653.32

Finding the Fourth Proportional to 282,977.76, 390,501.08 and 155,653.32

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Solution

The fourth proportional to 282,977.76, 390,501.08 and 155,653.32 is: 214,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,977.76 : 390,501.08 = 155,653.32 : x
  2. Step 2: Convert to fraction form
    282,977.76/390,501.08 = 155,653.32/x
  3. Step 3: Cross multiply
    282,977.76x = 390,501.08 × 155,653.32
  4. Step 4: Simplify right side
    282,977.76x = 60,782,789,565.59
  5. Step 5: Solve for x
    x = 60,782,789,565.59/282,977.76
  6. Step 6: Final answer
    x = 214,797.06

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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.