Home / 290,811.04-401,320.98-163,485.52

Finding the Fourth Proportional to 290,811.04, 401,320.98 and 163,485.52

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Solution

The fourth proportional to 290,811.04, 401,320.98 and 163,485.52 is: 225,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,811.04 : 401,320.98 = 163,485.52 : x
  2. Step 2: Convert to fraction form
    290,811.04/401,320.98 = 163,485.52/x
  3. Step 3: Cross multiply
    290,811.04x = 401,320.98 × 163,485.52
  4. Step 4: Simplify right side
    290,811.04x = 65,610,169,102.21
  5. Step 5: Solve for x
    x = 65,610,169,102.21/290,811.04
  6. Step 6: Final answer
    x = 225,611.00

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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.