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Finding the Fourth Proportional to 294,000.40, 441,000.60 and 72,384.40

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Solution

The fourth proportional to 294,000.40, 441,000.60 and 72,384.40 is: 108,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,000.40 : 441,000.60 = 72,384.40 : x
  2. Step 2: Convert to fraction form
    294,000.40/441,000.60 = 72,384.40/x
  3. Step 3: Cross multiply
    294,000.40x = 441,000.60 × 72,384.40
  4. Step 4: Simplify right side
    294,000.40x = 31,921,563,830.64
  5. Step 5: Solve for x
    x = 31,921,563,830.64/294,000.40
  6. Step 6: Final answer
    x = 108,576.60

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1.5x scale

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.