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Finding the Fourth Proportional to 245,380.08, 368,070.35 and 76,913.58

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Solution

The fourth proportional to 245,380.08, 368,070.35 and 76,913.58 is: 115,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,380.08 : 368,070.35 = 76,913.58 : x
  2. Step 2: Convert to fraction form
    245,380.08/368,070.35 = 76,913.58/x
  3. Step 3: Cross multiply
    245,380.08x = 368,070.35 × 76,913.58
  4. Step 4: Simplify right side
    245,380.08x = 28,309,607,925.79
  5. Step 5: Solve for x
    x = 28,309,607,925.79/245,380.08
  6. Step 6: Final answer
    x = 115,370.44

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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.