Home / 218,303.02-301,257.66-122,809.69

Finding the Fourth Proportional to 218,303.02, 301,257.66 and 122,809.69

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Solution

The fourth proportional to 218,303.02, 301,257.66 and 122,809.69 is: 169,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,303.02 : 301,257.66 = 122,809.69 : x
  2. Step 2: Convert to fraction form
    218,303.02/301,257.66 = 122,809.69/x
  3. Step 3: Cross multiply
    218,303.02x = 301,257.66 × 122,809.69
  4. Step 4: Simplify right side
    218,303.02x = 36,997,359,834.73
  5. Step 5: Solve for x
    x = 36,997,359,834.73/218,303.02
  6. Step 6: Final answer
    x = 169,477.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.