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Finding the Fourth Proportional to 294,094.40, 441,433.20 and 144,503.60

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Solution

The fourth proportional to 294,094.40, 441,433.20 and 144,503.60 is: 216,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,094.40 : 441,433.20 = 144,503.60 : x
  2. Step 2: Convert to fraction form
    294,094.40/441,433.20 = 144,503.60/x
  3. Step 3: Cross multiply
    294,094.40x = 441,433.20 × 144,503.60
  4. Step 4: Simplify right side
    294,094.40x = 63,788,686,559.52
  5. Step 5: Solve for x
    x = 63,788,686,559.52/294,094.40
  6. Step 6: Final answer
    x = 216,898.68

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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.