Home / 401,309.21-602,056.45-135,063.22

Finding the Fourth Proportional to 401,309.21, 602,056.45 and 135,063.22

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Solution

The fourth proportional to 401,309.21, 602,056.45 and 135,063.22 is: 202,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,309.21 : 602,056.45 = 135,063.22 : x
  2. Step 2: Convert to fraction form
    401,309.21/602,056.45 = 135,063.22/x
  3. Step 3: Cross multiply
    401,309.21x = 602,056.45 × 135,063.22
  4. Step 4: Simplify right side
    401,309.21x = 81,315,679,748.49
  5. Step 5: Solve for x
    x = 81,315,679,748.49/401,309.21
  6. Step 6: Final answer
    x = 202,626.00

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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.