Home / 215,223.54-297,007.05-118,433.28

Finding the Fourth Proportional to 215,223.54, 297,007.05 and 118,433.28

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Solution

The fourth proportional to 215,223.54, 297,007.05 and 118,433.28 is: 163,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,223.54 : 297,007.05 = 118,433.28 : x
  2. Step 2: Convert to fraction form
    215,223.54/297,007.05 = 118,433.28/x
  3. Step 3: Cross multiply
    215,223.54x = 297,007.05 × 118,433.28
  4. Step 4: Simplify right side
    215,223.54x = 35,175,519,114.62
  5. Step 5: Solve for x
    x = 35,175,519,114.62/215,223.54
  6. Step 6: Final answer
    x = 163,437.14

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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.