Home / 355,985.28-534,029.76-106,686.72

Finding the Fourth Proportional to 355,985.28, 534,029.76 and 106,686.72

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Solution

The fourth proportional to 355,985.28, 534,029.76 and 106,686.72 is: 160,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,985.28 : 534,029.76 = 106,686.72 : x
  2. Step 2: Convert to fraction form
    355,985.28/534,029.76 = 106,686.72/x
  3. Step 3: Cross multiply
    355,985.28x = 534,029.76 × 106,686.72
  4. Step 4: Simplify right side
    355,985.28x = 56,973,883,476.79
  5. Step 5: Solve for x
    x = 56,973,883,476.79/355,985.28
  6. Step 6: Final answer
    x = 160,045.62

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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.