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Finding the Fourth Proportional to 288,924.80, 433,095.60 and 131,266.40

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Solution

The fourth proportional to 288,924.80, 433,095.60 and 131,266.40 is: 196,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,924.80 : 433,095.60 = 131,266.40 : x
  2. Step 2: Convert to fraction form
    288,924.80/433,095.60 = 131,266.40/x
  3. Step 3: Cross multiply
    288,924.80x = 433,095.60 × 131,266.40
  4. Step 4: Simplify right side
    288,924.80x = 56,850,900,267.84
  5. Step 5: Solve for x
    x = 56,850,900,267.84/288,924.80
  6. Step 6: Final answer
    x = 196,767.12

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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.