Home / 404,941.51-607,349.79-135,074.35

Finding the Fourth Proportional to 404,941.51, 607,349.79 and 135,074.35

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Solution

The fourth proportional to 404,941.51, 607,349.79 and 135,074.35 is: 202,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,941.51 : 607,349.79 = 135,074.35 : x
  2. Step 2: Convert to fraction form
    404,941.51/607,349.79 = 135,074.35/x
  3. Step 3: Cross multiply
    404,941.51x = 607,349.79 × 135,074.35
  4. Step 4: Simplify right side
    404,941.51x = 82,037,378,106.89
  5. Step 5: Solve for x
    x = 82,037,378,106.89/404,941.51
  6. Step 6: Final answer
    x = 202,590.69

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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.