Home / 314,231.04-471,346.56-221,152.32

Finding the Fourth Proportional to 314,231.04, 471,346.56 and 221,152.32

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Solution

The fourth proportional to 314,231.04, 471,346.56 and 221,152.32 is: 331,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,231.04 : 471,346.56 = 221,152.32 : x
  2. Step 2: Convert to fraction form
    314,231.04/471,346.56 = 221,152.32/x
  3. Step 3: Cross multiply
    314,231.04x = 471,346.56 × 221,152.32
  4. Step 4: Simplify right side
    314,231.04x = 104,239,385,268.02
  5. Step 5: Solve for x
    x = 104,239,385,268.02/314,231.04
  6. Step 6: Final answer
    x = 331,728.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.