Home / 388,887.83-583,417.37-119,018.04

Finding the Fourth Proportional to 388,887.83, 583,417.37 and 119,018.04

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Solution

The fourth proportional to 388,887.83, 583,417.37 and 119,018.04 is: 178,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,887.83 : 583,417.37 = 119,018.04 : x
  2. Step 2: Convert to fraction form
    388,887.83/583,417.37 = 119,018.04/x
  3. Step 3: Cross multiply
    388,887.83x = 583,417.37 × 119,018.04
  4. Step 4: Simplify right side
    388,887.83x = 69,437,191,879.35
  5. Step 5: Solve for x
    x = 69,437,191,879.35/388,887.83
  6. Step 6: Final answer
    x = 178,553.27

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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.