Home / 854,535.70-1,281,706.35-223,513.30

Finding the Fourth Proportional to 854,535.70, 1,281,706.35 and 223,513.30

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Solution

The fourth proportional to 854,535.70, 1,281,706.35 and 223,513.30 is: 335,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,535.70 : 1,281,706.35 = 223,513.30 : x
  2. Step 2: Convert to fraction form
    854,535.70/1,281,706.35 = 223,513.30/x
  3. Step 3: Cross multiply
    854,535.70x = 1,281,706.35 × 223,513.30
  4. Step 4: Simplify right side
    854,535.70x = 286,478,415,919.46
  5. Step 5: Solve for x
    x = 286,478,415,919.46/854,535.70
  6. Step 6: Final answer
    x = 335,244.53

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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.