Home / 288,827.04-433,314.60-120,291.36

Finding the Fourth Proportional to 288,827.04, 433,314.60 and 120,291.36

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Solution

The fourth proportional to 288,827.04, 433,314.60 and 120,291.36 is: 180,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,827.04 : 433,314.60 = 120,291.36 : x
  2. Step 2: Convert to fraction form
    288,827.04/433,314.60 = 120,291.36/x
  3. Step 3: Cross multiply
    288,827.04x = 433,314.60 × 120,291.36
  4. Step 4: Simplify right side
    288,827.04x = 52,124,002,541.86
  5. Step 5: Solve for x
    x = 52,124,002,541.86/288,827.04
  6. Step 6: Final answer
    x = 180,467.88

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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.