Home / 338,569.39-507,938.73-238,924.09

Finding the Fourth Proportional to 338,569.39, 507,938.73 and 238,924.09

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Solution

The fourth proportional to 338,569.39, 507,938.73 and 238,924.09 is: 358,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,569.39 : 507,938.73 = 238,924.09 : x
  2. Step 2: Convert to fraction form
    338,569.39/507,938.73 = 238,924.09/x
  3. Step 3: Cross multiply
    338,569.39x = 507,938.73 × 238,924.09
  4. Step 4: Simplify right side
    338,569.39x = 121,358,798,841.01
  5. Step 5: Solve for x
    x = 121,358,798,841.01/338,569.39
  6. Step 6: Final answer
    x = 358,445.87

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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.