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Finding the Fourth Proportional to 446,100.95, 615,602.61 and 242,147.48

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Solution

The fourth proportional to 446,100.95, 615,602.61 and 242,147.48 is: 334,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,100.95 : 615,602.61 = 242,147.48 : x
  2. Step 2: Convert to fraction form
    446,100.95/615,602.61 = 242,147.48/x
  3. Step 3: Cross multiply
    446,100.95x = 615,602.61 × 242,147.48
  4. Step 4: Simplify right side
    446,100.95x = 149,066,617,614.91
  5. Step 5: Solve for x
    x = 149,066,617,614.91/446,100.95
  6. Step 6: Final answer
    x = 334,154.45

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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.