Home / 401,322.11-553,847.13-238,075.26

Finding the Fourth Proportional to 401,322.11, 553,847.13 and 238,075.26

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Solution

The fourth proportional to 401,322.11, 553,847.13 and 238,075.26 is: 328,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,322.11 : 553,847.13 = 238,075.26 : x
  2. Step 2: Convert to fraction form
    401,322.11/553,847.13 = 238,075.26/x
  3. Step 3: Cross multiply
    401,322.11x = 553,847.13 × 238,075.26
  4. Step 4: Simplify right side
    401,322.11x = 131,857,299,475.00
  5. Step 5: Solve for x
    x = 131,857,299,475.00/401,322.11
  6. Step 6: Final answer
    x = 328,557.28

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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.