Home / 380,429.16-524,985.76-210,659.64

Finding the Fourth Proportional to 380,429.16, 524,985.76 and 210,659.64

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Solution

The fourth proportional to 380,429.16, 524,985.76 and 210,659.64 is: 290,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,429.16 : 524,985.76 = 210,659.64 : x
  2. Step 2: Convert to fraction form
    380,429.16/524,985.76 = 210,659.64/x
  3. Step 3: Cross multiply
    380,429.16x = 524,985.76 × 210,659.64
  4. Step 4: Simplify right side
    380,429.16x = 110,593,311,206.73
  5. Step 5: Solve for x
    x = 110,593,311,206.73/380,429.16
  6. Step 6: Final answer
    x = 290,706.71

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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.