Home / 279,292.44-385,423.08-151,967.36

Finding the Fourth Proportional to 279,292.44, 385,423.08 and 151,967.36

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Solution

The fourth proportional to 279,292.44, 385,423.08 and 151,967.36 is: 209,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,292.44 : 385,423.08 = 151,967.36 : x
  2. Step 2: Convert to fraction form
    279,292.44/385,423.08 = 151,967.36/x
  3. Step 3: Cross multiply
    279,292.44x = 385,423.08 × 151,967.36
  4. Step 4: Simplify right side
    279,292.44x = 58,571,727,950.67
  5. Step 5: Solve for x
    x = 58,571,727,950.67/279,292.44
  6. Step 6: Final answer
    x = 209,714.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.