Home / 329,257.45-493,875.15-139,595.77

Finding the Fourth Proportional to 329,257.45, 493,875.15 and 139,595.77

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Solution

The fourth proportional to 329,257.45, 493,875.15 and 139,595.77 is: 209,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,257.45 : 493,875.15 = 139,595.77 : x
  2. Step 2: Convert to fraction form
    329,257.45/493,875.15 = 139,595.77/x
  3. Step 3: Cross multiply
    329,257.45x = 493,875.15 × 139,595.77
  4. Step 4: Simplify right side
    329,257.45x = 68,942,881,848.12
  5. Step 5: Solve for x
    x = 68,942,881,848.12/329,257.45
  6. Step 6: Final answer
    x = 209,388.98

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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.