Home / 445,980.42-615,453.40-242,031.38

Finding the Fourth Proportional to 445,980.42, 615,453.40 and 242,031.38

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Solution

The fourth proportional to 445,980.42, 615,453.40 and 242,031.38 is: 334,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,980.42 : 615,453.40 = 242,031.38 : x
  2. Step 2: Convert to fraction form
    445,980.42/615,453.40 = 242,031.38/x
  3. Step 3: Cross multiply
    445,980.42x = 615,453.40 × 242,031.38
  4. Step 4: Simplify right side
    445,980.42x = 148,959,035,727.69
  5. Step 5: Solve for x
    x = 148,959,035,727.69/445,980.42
  6. Step 6: Final answer
    x = 334,003.53

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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.