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Finding the Fourth Proportional to 440,454, 660,681 and 108,030

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Solution

The fourth proportional to 440,454, 660,681 and 108,030 is: 162,045

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,454 : 660,681 = 108,030 : x
  2. Step 2: Convert to fraction form
    440,454/660,681 = 108,030/x
  3. Step 3: Cross multiply
    440,454x = 660,681 × 108,030
  4. Step 4: Simplify right side
    440,454x = 71,373,368,430
  5. Step 5: Solve for x
    x = 71,373,368,430/440,454
  6. Step 6: Final answer
    x = 162,045

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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.