Home / 238,349.82-328,980.05-136,434.36

Finding the Fourth Proportional to 238,349.82, 328,980.05 and 136,434.36

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Solution

The fourth proportional to 238,349.82, 328,980.05 and 136,434.36 is: 188,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,349.82 : 328,980.05 = 136,434.36 : x
  2. Step 2: Convert to fraction form
    238,349.82/328,980.05 = 136,434.36/x
  3. Step 3: Cross multiply
    238,349.82x = 328,980.05 × 136,434.36
  4. Step 4: Simplify right side
    238,349.82x = 44,884,181,892.35
  5. Step 5: Solve for x
    x = 44,884,181,892.35/238,349.82
  6. Step 6: Final answer
    x = 188,312.21

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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.