Home / 291,622.52-402,221.76-258,956.48

Finding the Fourth Proportional to 291,622.52, 402,221.76 and 258,956.48

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Solution

The fourth proportional to 291,622.52, 402,221.76 and 258,956.48 is: 357,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,622.52 : 402,221.76 = 258,956.48 : x
  2. Step 2: Convert to fraction form
    291,622.52/402,221.76 = 258,956.48/x
  3. Step 3: Cross multiply
    291,622.52x = 402,221.76 × 258,956.48
  4. Step 4: Simplify right side
    291,622.52x = 104,157,931,149.01
  5. Step 5: Solve for x
    x = 104,157,931,149.01/291,622.52
  6. Step 6: Final answer
    x = 357,166.97

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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.