Home / 348,946.72-523,420.31-112,289.36

Finding the Fourth Proportional to 348,946.72, 523,420.31 and 112,289.36

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Solution

The fourth proportional to 348,946.72, 523,420.31 and 112,289.36 is: 168,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,946.72 : 523,420.31 = 112,289.36 : x
  2. Step 2: Convert to fraction form
    348,946.72/523,420.31 = 112,289.36/x
  3. Step 3: Cross multiply
    348,946.72x = 523,420.31 × 112,289.36
  4. Step 4: Simplify right side
    348,946.72x = 58,774,529,284.52
  5. Step 5: Solve for x
    x = 58,774,529,284.52/348,946.72
  6. Step 6: Final answer
    x = 168,434.11

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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.