Home / 400,126.02-552,166.09-218,837.35

Finding the Fourth Proportional to 400,126.02, 552,166.09 and 218,837.35

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Solution

The fourth proportional to 400,126.02, 552,166.09 and 218,837.35 is: 301,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,126.02 : 552,166.09 = 218,837.35 : x
  2. Step 2: Convert to fraction form
    400,126.02/552,166.09 = 218,837.35/x
  3. Step 3: Cross multiply
    400,126.02x = 552,166.09 × 218,837.35
  4. Step 4: Simplify right side
    400,126.02x = 120,834,563,895.46
  5. Step 5: Solve for x
    x = 120,834,563,895.46/400,126.02
  6. Step 6: Final answer
    x = 301,991.27

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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.