Home / 435,985.34-653,028.68-210,870.95

Finding the Fourth Proportional to 435,985.34, 653,028.68 and 210,870.95

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Solution

The fourth proportional to 435,985.34, 653,028.68 and 210,870.95 is: 315,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,985.34 : 653,028.68 = 210,870.95 : x
  2. Step 2: Convert to fraction form
    435,985.34/653,028.68 = 210,870.95/x
  3. Step 3: Cross multiply
    435,985.34x = 653,028.68 × 210,870.95
  4. Step 4: Simplify right side
    435,985.34x = 137,704,775,390.88
  5. Step 5: Solve for x
    x = 137,704,775,390.88/435,985.34
  6. Step 6: Final answer
    x = 315,847.26

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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.