Home / 430,898.14-645,132.02-228,034.75

Finding the Fourth Proportional to 430,898.14, 645,132.02 and 228,034.75

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Solution

The fourth proportional to 430,898.14, 645,132.02 and 228,034.75 is: 341,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,898.14 : 645,132.02 = 228,034.75 : x
  2. Step 2: Convert to fraction form
    430,898.14/645,132.02 = 228,034.75/x
  3. Step 3: Cross multiply
    430,898.14x = 645,132.02 × 228,034.75
  4. Step 4: Simplify right side
    430,898.14x = 147,112,518,897.70
  5. Step 5: Solve for x
    x = 147,112,518,897.70/430,898.14
  6. Step 6: Final answer
    x = 341,409.04

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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.