Home / 254,200.77-381,303.86-76,709.34

Finding the Fourth Proportional to 254,200.77, 381,303.86 and 76,709.34

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Solution

The fourth proportional to 254,200.77, 381,303.86 and 76,709.34 is: 115,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,200.77 : 381,303.86 = 76,709.34 : x
  2. Step 2: Convert to fraction form
    254,200.77/381,303.86 = 76,709.34/x
  3. Step 3: Cross multiply
    254,200.77x = 381,303.86 × 76,709.34
  4. Step 4: Simplify right side
    254,200.77x = 29,249,567,056.51
  5. Step 5: Solve for x
    x = 29,249,567,056.51/254,200.77
  6. Step 6: Final answer
    x = 115,064.82

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1.5x scale

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.