Home / 388,921.56-583,467.95-119,051.83

Finding the Fourth Proportional to 388,921.56, 583,467.95 and 119,051.83

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Solution

The fourth proportional to 388,921.56, 583,467.95 and 119,051.83 is: 178,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,921.56 : 583,467.95 = 119,051.83 : x
  2. Step 2: Convert to fraction form
    388,921.56/583,467.95 = 119,051.83/x
  3. Step 3: Cross multiply
    388,921.56x = 583,467.95 × 119,051.83
  4. Step 4: Simplify right side
    388,921.56x = 69,462,927,193.85
  5. Step 5: Solve for x
    x = 69,462,927,193.85/388,921.56
  6. Step 6: Final answer
    x = 178,603.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.