Home / 379,364.45-523,303.76-243,350.06

Finding the Fourth Proportional to 379,364.45, 523,303.76 and 243,350.06

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Solution

The fourth proportional to 379,364.45, 523,303.76 and 243,350.06 is: 335,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,364.45 : 523,303.76 = 243,350.06 : x
  2. Step 2: Convert to fraction form
    379,364.45/523,303.76 = 243,350.06/x
  3. Step 3: Cross multiply
    379,364.45x = 523,303.76 × 243,350.06
  4. Step 4: Simplify right side
    379,364.45x = 127,346,000,177.48
  5. Step 5: Solve for x
    x = 127,346,000,177.48/379,364.45
  6. Step 6: Final answer
    x = 335,682.48

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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.