Home / 245,432.20-368,364.30-145,467.40

Finding the Fourth Proportional to 245,432.20, 368,364.30 and 145,467.40

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Solution

The fourth proportional to 245,432.20, 368,364.30 and 145,467.40 is: 218,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,432.20 : 368,364.30 = 145,467.40 : x
  2. Step 2: Convert to fraction form
    245,432.20/368,364.30 = 145,467.40/x
  3. Step 3: Cross multiply
    245,432.20x = 368,364.30 × 145,467.40
  4. Step 4: Simplify right side
    245,432.20x = 53,584,996,973.82
  5. Step 5: Solve for x
    x = 53,584,996,973.82/245,432.20
  6. Step 6: Final answer
    x = 218,329.12

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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.