Home / 238,448.90-329,088.09-143,008.10

Finding the Fourth Proportional to 238,448.90, 329,088.09 and 143,008.10

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Solution

The fourth proportional to 238,448.90, 329,088.09 and 143,008.10 is: 197,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,448.90 : 329,088.09 = 143,008.10 : x
  2. Step 2: Convert to fraction form
    238,448.90/329,088.09 = 143,008.10/x
  3. Step 3: Cross multiply
    238,448.90x = 329,088.09 × 143,008.10
  4. Step 4: Simplify right side
    238,448.90x = 47,062,262,483.53
  5. Step 5: Solve for x
    x = 47,062,262,483.53/238,448.90
  6. Step 6: Final answer
    x = 197,368.34

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1.5x scale

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.