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Finding the Fourth Proportional to 338,164.26, 507,467.88 and 127,802.22

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Solution

The fourth proportional to 338,164.26, 507,467.88 and 127,802.22 is: 191,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,164.26 : 507,467.88 = 127,802.22 : x
  2. Step 2: Convert to fraction form
    338,164.26/507,467.88 = 127,802.22/x
  3. Step 3: Cross multiply
    338,164.26x = 507,467.88 × 127,802.22
  4. Step 4: Simplify right side
    338,164.26x = 64,855,521,642.69
  5. Step 5: Solve for x
    x = 64,855,521,642.69/338,164.26
  6. Step 6: Final answer
    x = 191,787.04

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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.