Home / 239,587.20-358,905.60-210,038.40

Finding the Fourth Proportional to 239,587.20, 358,905.60 and 210,038.40

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Solution

The fourth proportional to 239,587.20, 358,905.60 and 210,038.40 is: 314,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,587.20 : 358,905.60 = 210,038.40 : x
  2. Step 2: Convert to fraction form
    239,587.20/358,905.60 = 210,038.40/x
  3. Step 3: Cross multiply
    239,587.20x = 358,905.60 × 210,038.40
  4. Step 4: Simplify right side
    239,587.20x = 75,383,957,975.04
  5. Step 5: Solve for x
    x = 75,383,957,975.04/239,587.20
  6. Step 6: Final answer
    x = 314,641.01

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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.