Home / 446,020.88-615,503.60-242,072.16

Finding the Fourth Proportional to 446,020.88, 615,503.60 and 242,072.16

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Solution

The fourth proportional to 446,020.88, 615,503.60 and 242,072.16 is: 334,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,020.88 : 615,503.60 = 242,072.16 : x
  2. Step 2: Convert to fraction form
    446,020.88/615,503.60 = 242,072.16/x
  3. Step 3: Cross multiply
    446,020.88x = 615,503.60 × 242,072.16
  4. Step 4: Simplify right side
    446,020.88x = 148,996,285,939.78
  5. Step 5: Solve for x
    x = 148,996,285,939.78/446,020.88
  6. Step 6: Final answer
    x = 334,056.75

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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.