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Finding the Fourth Proportional to 434,030.45, 650,807.84 and 134,427.85

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Solution

The fourth proportional to 434,030.45, 650,807.84 and 134,427.85 is: 201,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,030.45 : 650,807.84 = 134,427.85 : x
  2. Step 2: Convert to fraction form
    434,030.45/650,807.84 = 134,427.85/x
  3. Step 3: Cross multiply
    434,030.45x = 650,807.84 × 134,427.85
  4. Step 4: Simplify right side
    434,030.45x = 87,486,700,686.11
  5. Step 5: Solve for x
    x = 87,486,700,686.11/434,030.45
  6. Step 6: Final answer
    x = 201,568.12

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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.