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Finding the Fourth Proportional to 637,290, 955,935 and 194,058

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Solution

The fourth proportional to 637,290, 955,935 and 194,058 is: 291,087

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,290 : 955,935 = 194,058 : x
  2. Step 2: Convert to fraction form
    637,290/955,935 = 194,058/x
  3. Step 3: Cross multiply
    637,290x = 955,935 × 194,058
  4. Step 4: Simplify right side
    637,290x = 185,506,834,230
  5. Step 5: Solve for x
    x = 185,506,834,230/637,290
  6. Step 6: Final answer
    x = 291,087

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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.