Home / 445,979.42-615,452.02-242,030.38

Finding the Fourth Proportional to 445,979.42, 615,452.02 and 242,030.38

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Solution

The fourth proportional to 445,979.42, 615,452.02 and 242,030.38 is: 334,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,979.42 : 615,452.02 = 242,030.38 : x
  2. Step 2: Convert to fraction form
    445,979.42/615,452.02 = 242,030.38/x
  3. Step 3: Cross multiply
    445,979.42x = 615,452.02 × 242,030.38
  4. Step 4: Simplify right side
    445,979.42x = 148,958,086,644.06
  5. Step 5: Solve for x
    x = 148,958,086,644.06/445,979.42
  6. Step 6: Final answer
    x = 334,002.15

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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.