Home / 223,280.55-334,920.83-128,802.15

Finding the Fourth Proportional to 223,280.55, 334,920.83 and 128,802.15

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Solution

The fourth proportional to 223,280.55, 334,920.83 and 128,802.15 is: 193,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,280.55 : 334,920.83 = 128,802.15 : x
  2. Step 2: Convert to fraction form
    223,280.55/334,920.83 = 128,802.15/x
  3. Step 3: Cross multiply
    223,280.55x = 334,920.83 × 128,802.15
  4. Step 4: Simplify right side
    223,280.55x = 43,138,522,339.77
  5. Step 5: Solve for x
    x = 43,138,522,339.77/223,280.55
  6. Step 6: Final answer
    x = 193,203.23

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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.