Home / 371,848.78-557,763.37-105,609.32

Finding the Fourth Proportional to 371,848.78, 557,763.37 and 105,609.32

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Solution

The fourth proportional to 371,848.78, 557,763.37 and 105,609.32 is: 158,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,848.78 : 557,763.37 = 105,609.32 : x
  2. Step 2: Convert to fraction form
    371,848.78/557,763.37 = 105,609.32/x
  3. Step 3: Cross multiply
    371,848.78x = 557,763.37 × 105,609.32
  4. Step 4: Simplify right side
    371,848.78x = 58,905,009,265.38
  5. Step 5: Solve for x
    x = 58,905,009,265.38/371,848.78
  6. Step 6: Final answer
    x = 158,411.20

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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.