Home / 217,739.04-300,429.72-127,059.36

Finding the Fourth Proportional to 217,739.04, 300,429.72 and 127,059.36

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Solution

The fourth proportional to 217,739.04, 300,429.72 and 127,059.36 is: 175,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,739.04 : 300,429.72 = 127,059.36 : x
  2. Step 2: Convert to fraction form
    217,739.04/300,429.72 = 127,059.36/x
  3. Step 3: Cross multiply
    217,739.04x = 300,429.72 × 127,059.36
  4. Step 4: Simplify right side
    217,739.04x = 38,172,407,948.18
  5. Step 5: Solve for x
    x = 38,172,407,948.18/217,739.04
  6. Step 6: Final answer
    x = 175,312.65

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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.