Home / 389,207.51-583,807.77-122,968.02

Finding the Fourth Proportional to 389,207.51, 583,807.77 and 122,968.02

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Solution

The fourth proportional to 389,207.51, 583,807.77 and 122,968.02 is: 184,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,207.51 : 583,807.77 = 122,968.02 : x
  2. Step 2: Convert to fraction form
    389,207.51/583,807.77 = 122,968.02/x
  3. Step 3: Cross multiply
    389,207.51x = 583,807.77 × 122,968.02
  4. Step 4: Simplify right side
    389,207.51x = 71,789,685,537.52
  5. Step 5: Solve for x
    x = 71,789,685,537.52/389,207.51
  6. Step 6: Final answer
    x = 184,450.92

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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.