Home / 358,623.36-538,051.20-171,648

Finding the Fourth Proportional to 358,623.36, 538,051.20 and 171,648

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Solution

The fourth proportional to 358,623.36, 538,051.20 and 171,648 is: 257,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,623.36 : 538,051.20 = 171,648 : x
  2. Step 2: Convert to fraction form
    358,623.36/538,051.20 = 171,648/x
  3. Step 3: Cross multiply
    358,623.36x = 538,051.20 × 171,648
  4. Step 4: Simplify right side
    358,623.36x = 92,355,412,377.60
  5. Step 5: Solve for x
    x = 92,355,412,377.60/358,623.36
  6. Step 6: Final answer
    x = 257,527.60

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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.