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Finding the Fourth Proportional to 245,953.77, 368,930.65 and 140,698.93

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Solution

The fourth proportional to 245,953.77, 368,930.65 and 140,698.93 is: 211,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,953.77 : 368,930.65 = 140,698.93 : x
  2. Step 2: Convert to fraction form
    245,953.77/368,930.65 = 140,698.93/x
  3. Step 3: Cross multiply
    245,953.77x = 368,930.65 × 140,698.93
  4. Step 4: Simplify right side
    245,953.77x = 51,908,145,854.55
  5. Step 5: Solve for x
    x = 51,908,145,854.55/245,953.77
  6. Step 6: Final answer
    x = 211,048.39

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1.5x scale

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.