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Finding the Fourth Proportional to 555,304.58, 832,956.86 and 134,580.45

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Solution

The fourth proportional to 555,304.58, 832,956.86 and 134,580.45 is: 201,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,304.58 : 832,956.86 = 134,580.45 : x
  2. Step 2: Convert to fraction form
    555,304.58/832,956.86 = 134,580.45/x
  3. Step 3: Cross multiply
    555,304.58x = 832,956.86 × 134,580.45
  4. Step 4: Simplify right side
    555,304.58x = 112,099,708,376.49
  5. Step 5: Solve for x
    x = 112,099,708,376.49/555,304.58
  6. Step 6: Final answer
    x = 201,870.67

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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.