Home / 223,445.20-334,730.40-134,434.30

Finding the Fourth Proportional to 223,445.20, 334,730.40 and 134,434.30

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Solution

The fourth proportional to 223,445.20, 334,730.40 and 134,434.30 is: 201,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,445.20 : 334,730.40 = 134,434.30 : x
  2. Step 2: Convert to fraction form
    223,445.20/334,730.40 = 134,434.30/x
  3. Step 3: Cross multiply
    223,445.20x = 334,730.40 × 134,434.30
  4. Step 4: Simplify right side
    223,445.20x = 44,999,247,012.72
  5. Step 5: Solve for x
    x = 44,999,247,012.72/223,445.20
  6. Step 6: Final answer
    x = 201,388.29

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1.5x scale

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.