Home / 242,385.81-334,321.39-210,061.95

Finding the Fourth Proportional to 242,385.81, 334,321.39 and 210,061.95

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Solution

The fourth proportional to 242,385.81, 334,321.39 and 210,061.95 is: 289,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,385.81 : 334,321.39 = 210,061.95 : x
  2. Step 2: Convert to fraction form
    242,385.81/334,321.39 = 210,061.95/x
  3. Step 3: Cross multiply
    242,385.81x = 334,321.39 × 210,061.95
  4. Step 4: Simplify right side
    242,385.81x = 70,228,203,110.11
  5. Step 5: Solve for x
    x = 70,228,203,110.11/242,385.81
  6. Step 6: Final answer
    x = 289,737.27

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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.