Home / 325,485.89-449,066.73-210,852.40

Finding the Fourth Proportional to 325,485.89, 449,066.73 and 210,852.40

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Solution

The fourth proportional to 325,485.89, 449,066.73 and 210,852.40 is: 290,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,485.89 : 449,066.73 = 210,852.40 : x
  2. Step 2: Convert to fraction form
    325,485.89/449,066.73 = 210,852.40/x
  3. Step 3: Cross multiply
    325,485.89x = 449,066.73 × 210,852.40
  4. Step 4: Simplify right side
    325,485.89x = 94,686,796,726.39
  5. Step 5: Solve for x
    x = 94,686,796,726.39/325,485.89
  6. Step 6: Final answer
    x = 290,909.07

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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.