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Finding the Fourth Proportional to 446,214.78, 615,776.34 and 245,010.78

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Solution

The fourth proportional to 446,214.78, 615,776.34 and 245,010.78 is: 338,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,214.78 : 615,776.34 = 245,010.78 : x
  2. Step 2: Convert to fraction form
    446,214.78/615,776.34 = 245,010.78/x
  3. Step 3: Cross multiply
    446,214.78x = 615,776.34 × 245,010.78
  4. Step 4: Simplify right side
    446,214.78x = 150,871,841,368.95
  5. Step 5: Solve for x
    x = 150,871,841,368.95/446,214.78
  6. Step 6: Final answer
    x = 338,114.85

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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.