Home / 320,417.83-442,175.41-180,705.33

Finding the Fourth Proportional to 320,417.83, 442,175.41 and 180,705.33

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Solution

The fourth proportional to 320,417.83, 442,175.41 and 180,705.33 is: 249,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,417.83 : 442,175.41 = 180,705.33 : x
  2. Step 2: Convert to fraction form
    320,417.83/442,175.41 = 180,705.33/x
  3. Step 3: Cross multiply
    320,417.83x = 442,175.41 × 180,705.33
  4. Step 4: Simplify right side
    320,417.83x = 79,903,452,591.35
  5. Step 5: Solve for x
    x = 79,903,452,591.35/320,417.83
  6. Step 6: Final answer
    x = 249,372.68

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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.