Home / 384,255.54-530,270.60-223,150.18

Finding the Fourth Proportional to 384,255.54, 530,270.60 and 223,150.18

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Solution

The fourth proportional to 384,255.54, 530,270.60 and 223,150.18 is: 307,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,255.54 : 530,270.60 = 223,150.18 : x
  2. Step 2: Convert to fraction form
    384,255.54/530,270.60 = 223,150.18/x
  3. Step 3: Cross multiply
    384,255.54x = 530,270.60 × 223,150.18
  4. Step 4: Simplify right side
    384,255.54x = 118,329,979,838.71
  5. Step 5: Solve for x
    x = 118,329,979,838.71/384,255.54
  6. Step 6: Final answer
    x = 307,946.06

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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.