Home / 305,210.42-457,873.06-122,855.18

Finding the Fourth Proportional to 305,210.42, 457,873.06 and 122,855.18

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Solution

The fourth proportional to 305,210.42, 457,873.06 and 122,855.18 is: 184,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,210.42 : 457,873.06 = 122,855.18 : x
  2. Step 2: Convert to fraction form
    305,210.42/457,873.06 = 122,855.18/x
  3. Step 3: Cross multiply
    305,210.42x = 457,873.06 × 122,855.18
  4. Step 4: Simplify right side
    305,210.42x = 56,252,077,203.45
  5. Step 5: Solve for x
    x = 56,252,077,203.45/305,210.42
  6. Step 6: Final answer
    x = 184,305.89

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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.