Home / 256,055.04-384,089.58-69,066

Finding the Fourth Proportional to 256,055.04, 384,089.58 and 69,066

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Solution

The fourth proportional to 256,055.04, 384,089.58 and 69,066 is: 103,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,055.04 : 384,089.58 = 69,066 : x
  2. Step 2: Convert to fraction form
    256,055.04/384,089.58 = 69,066/x
  3. Step 3: Cross multiply
    256,055.04x = 384,089.58 × 69,066
  4. Step 4: Simplify right side
    256,055.04x = 26,527,530,932.28
  5. Step 5: Solve for x
    x = 26,527,530,932.28/256,055.04
  6. Step 6: Final answer
    x = 103,600.89

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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.