Home / 380,225.08-524,704.26-210,455.56

Finding the Fourth Proportional to 380,225.08, 524,704.26 and 210,455.56

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Solution

The fourth proportional to 380,225.08, 524,704.26 and 210,455.56 is: 290,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,225.08 : 524,704.26 = 210,455.56 : x
  2. Step 2: Convert to fraction form
    380,225.08/524,704.26 = 210,455.56/x
  3. Step 3: Cross multiply
    380,225.08x = 524,704.26 × 210,455.56
  4. Step 4: Simplify right side
    380,225.08x = 110,426,928,872.69
  5. Step 5: Solve for x
    x = 110,426,928,872.69/380,225.08
  6. Step 6: Final answer
    x = 290,425.16

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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.