Home / 434,011.14-651,078.30-134,515.26

Finding the Fourth Proportional to 434,011.14, 651,078.30 and 134,515.26

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Solution

The fourth proportional to 434,011.14, 651,078.30 and 134,515.26 is: 201,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,011.14 : 651,078.30 = 134,515.26 : x
  2. Step 2: Convert to fraction form
    434,011.14/651,078.30 = 134,515.26/x
  3. Step 3: Cross multiply
    434,011.14x = 651,078.30 × 134,515.26
  4. Step 4: Simplify right side
    434,011.14x = 87,579,966,804.86
  5. Step 5: Solve for x
    x = 87,579,966,804.86/434,011.14
  6. Step 6: Final answer
    x = 201,791.98

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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.