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Finding the Fourth Proportional to 239,088, 358,641.88 and 70,608.36

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Solution

The fourth proportional to 239,088, 358,641.88 and 70,608.36 is: 105,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,088 : 358,641.88 = 70,608.36 : x
  2. Step 2: Convert to fraction form
    239,088/358,641.88 = 70,608.36/x
  3. Step 3: Cross multiply
    239,088x = 358,641.88 × 70,608.36
  4. Step 4: Simplify right side
    239,088x = 25,323,114,974.12
  5. Step 5: Solve for x
    x = 25,323,114,974.12/239,088
  6. Step 6: Final answer
    x = 105,915.46

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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.