Home / 256,577.18-384,928.35-180,823.37

Finding the Fourth Proportional to 256,577.18, 384,928.35 and 180,823.37

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Solution

The fourth proportional to 256,577.18, 384,928.35 and 180,823.37 is: 271,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,577.18 : 384,928.35 = 180,823.37 : x
  2. Step 2: Convert to fraction form
    256,577.18/384,928.35 = 180,823.37/x
  3. Step 3: Cross multiply
    256,577.18x = 384,928.35 × 180,823.37
  4. Step 4: Simplify right side
    256,577.18x = 69,604,039,530.90
  5. Step 5: Solve for x
    x = 69,604,039,530.90/256,577.18
  6. Step 6: Final answer
    x = 271,279.16

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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.