Home / 355,971.88-533,941.02-103,244.68

Finding the Fourth Proportional to 355,971.88, 533,941.02 and 103,244.68

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Solution

The fourth proportional to 355,971.88, 533,941.02 and 103,244.68 is: 154,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,971.88 : 533,941.02 = 103,244.68 : x
  2. Step 2: Convert to fraction form
    355,971.88/533,941.02 = 103,244.68/x
  3. Step 3: Cross multiply
    355,971.88x = 533,941.02 × 103,244.68
  4. Step 4: Simplify right side
    355,971.88x = 55,126,569,748.77
  5. Step 5: Solve for x
    x = 55,126,569,748.77/355,971.88
  6. Step 6: Final answer
    x = 154,862.15

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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.