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Finding the Fourth Proportional to 283,953.20, 425,929.80 and 213,094.40

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Solution

The fourth proportional to 283,953.20, 425,929.80 and 213,094.40 is: 319,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,953.20 : 425,929.80 = 213,094.40 : x
  2. Step 2: Convert to fraction form
    283,953.20/425,929.80 = 213,094.40/x
  3. Step 3: Cross multiply
    283,953.20x = 425,929.80 × 213,094.40
  4. Step 4: Simplify right side
    283,953.20x = 90,763,255,173.12
  5. Step 5: Solve for x
    x = 90,763,255,173.12/283,953.20
  6. Step 6: Final answer
    x = 319,641.60

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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.