Home / 380,130.12-524,576.52-210,373.56

Finding the Fourth Proportional to 380,130.12, 524,576.52 and 210,373.56

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Solution

The fourth proportional to 380,130.12, 524,576.52 and 210,373.56 is: 290,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,130.12 : 524,576.52 = 210,373.56 : x
  2. Step 2: Convert to fraction form
    380,130.12/524,576.52 = 210,373.56/x
  3. Step 3: Cross multiply
    380,130.12x = 524,576.52 × 210,373.56
  4. Step 4: Simplify right side
    380,130.12x = 110,357,030,004.81
  5. Step 5: Solve for x
    x = 110,357,030,004.81/380,130.12
  6. Step 6: Final answer
    x = 290,313.83

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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.