Home / 462,121.18-637,664.12-258,146.88

Finding the Fourth Proportional to 462,121.18, 637,664.12 and 258,146.88

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Solution

The fourth proportional to 462,121.18, 637,664.12 and 258,146.88 is: 356,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,121.18 : 637,664.12 = 258,146.88 : x
  2. Step 2: Convert to fraction form
    462,121.18/637,664.12 = 258,146.88/x
  3. Step 3: Cross multiply
    462,121.18x = 637,664.12 × 258,146.88
  4. Step 4: Simplify right side
    462,121.18x = 164,611,003,065.95
  5. Step 5: Solve for x
    x = 164,611,003,065.95/462,121.18
  6. Step 6: Final answer
    x = 356,207.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.