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Finding the Fourth Proportional to 303,354.90, 455,032.55 and 125,814.24

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Solution

The fourth proportional to 303,354.90, 455,032.55 and 125,814.24 is: 188,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,354.90 : 455,032.55 = 125,814.24 : x
  2. Step 2: Convert to fraction form
    303,354.90/455,032.55 = 125,814.24/x
  3. Step 3: Cross multiply
    303,354.90x = 455,032.55 × 125,814.24
  4. Step 4: Simplify right side
    303,354.90x = 57,249,574,453.51
  5. Step 5: Solve for x
    x = 57,249,574,453.51/303,354.90
  6. Step 6: Final answer
    x = 188,721.44

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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.