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Finding the Fourth Proportional to 604,012, 906,018 and 160,780

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Solution

The fourth proportional to 604,012, 906,018 and 160,780 is: 241,170

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,012 : 906,018 = 160,780 : x
  2. Step 2: Convert to fraction form
    604,012/906,018 = 160,780/x
  3. Step 3: Cross multiply
    604,012x = 906,018 × 160,780
  4. Step 4: Simplify right side
    604,012x = 145,669,574,040
  5. Step 5: Solve for x
    x = 145,669,574,040/604,012
  6. Step 6: Final answer
    x = 241,170

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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.