Home / 587,130.42-881,045.54-213,182.58

Finding the Fourth Proportional to 587,130.42, 881,045.54 and 213,182.58

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Solution

The fourth proportional to 587,130.42, 881,045.54 and 213,182.58 is: 319,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,130.42 : 881,045.54 = 213,182.58 : x
  2. Step 2: Convert to fraction form
    587,130.42/881,045.54 = 213,182.58/x
  3. Step 3: Cross multiply
    587,130.42x = 881,045.54 × 213,182.58
  4. Step 4: Simplify right side
    587,130.42x = 187,823,561,314.69
  5. Step 5: Solve for x
    x = 187,823,561,314.69/587,130.42
  6. Step 6: Final answer
    x = 319,900.92

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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.