Home / 257,811.12-355,699.58-150,305.04

Finding the Fourth Proportional to 257,811.12, 355,699.58 and 150,305.04

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Solution

The fourth proportional to 257,811.12, 355,699.58 and 150,305.04 is: 207,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,811.12 : 355,699.58 = 150,305.04 : x
  2. Step 2: Convert to fraction form
    257,811.12/355,699.58 = 150,305.04/x
  3. Step 3: Cross multiply
    257,811.12x = 355,699.58 × 150,305.04
  4. Step 4: Simplify right side
    257,811.12x = 53,463,438,848.36
  5. Step 5: Solve for x
    x = 53,463,438,848.36/257,811.12
  6. Step 6: Final answer
    x = 207,374.45

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1.5x scale

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.