Home / 245,590.20-368,385.30-127,297.80

Finding the Fourth Proportional to 245,590.20, 368,385.30 and 127,297.80

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Solution

The fourth proportional to 245,590.20, 368,385.30 and 127,297.80 is: 190,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,590.20 : 368,385.30 = 127,297.80 : x
  2. Step 2: Convert to fraction form
    245,590.20/368,385.30 = 127,297.80/x
  3. Step 3: Cross multiply
    245,590.20x = 368,385.30 × 127,297.80
  4. Step 4: Simplify right side
    245,590.20x = 46,894,638,242.34
  5. Step 5: Solve for x
    x = 46,894,638,242.34/245,590.20
  6. Step 6: Final answer
    x = 190,946.70

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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.