Home / 291,764.16-402,636.30-162,710.79

Finding the Fourth Proportional to 291,764.16, 402,636.30 and 162,710.79

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Solution

The fourth proportional to 291,764.16, 402,636.30 and 162,710.79 is: 224,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,764.16 : 402,636.30 = 162,710.79 : x
  2. Step 2: Convert to fraction form
    291,764.16/402,636.30 = 162,710.79/x
  3. Step 3: Cross multiply
    291,764.16x = 402,636.30 × 162,710.79
  4. Step 4: Simplify right side
    291,764.16x = 65,513,270,455.68
  5. Step 5: Solve for x
    x = 65,513,270,455.68/291,764.16
  6. Step 6: Final answer
    x = 224,541.87

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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.