Home / 639,737.34-959,607.24-166,421.94

Finding the Fourth Proportional to 639,737.34, 959,607.24 and 166,421.94

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Solution

The fourth proportional to 639,737.34, 959,607.24 and 166,421.94 is: 249,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,737.34 : 959,607.24 = 166,421.94 : x
  2. Step 2: Convert to fraction form
    639,737.34/959,607.24 = 166,421.94/x
  3. Step 3: Cross multiply
    639,737.34x = 959,607.24 × 166,421.94
  4. Step 4: Simplify right side
    639,737.34x = 159,699,698,518.85
  5. Step 5: Solve for x
    x = 159,699,698,518.85/639,737.34
  6. Step 6: Final answer
    x = 249,633.23

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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.