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Finding the Fourth Proportional to 294,681.70, 442,022.55 and 73,065.70

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Solution

The fourth proportional to 294,681.70, 442,022.55 and 73,065.70 is: 109,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,681.70 : 442,022.55 = 73,065.70 : x
  2. Step 2: Convert to fraction form
    294,681.70/442,022.55 = 73,065.70/x
  3. Step 3: Cross multiply
    294,681.70x = 442,022.55 × 73,065.70
  4. Step 4: Simplify right side
    294,681.70x = 32,296,687,031.54
  5. Step 5: Solve for x
    x = 32,296,687,031.54/294,681.70
  6. Step 6: Final answer
    x = 109,598.55

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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.