Home / 238,827.34-358,157.85-78,869.08

Finding the Fourth Proportional to 238,827.34, 358,157.85 and 78,869.08

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Solution

The fourth proportional to 238,827.34, 358,157.85 and 78,869.08 is: 118,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,827.34 : 358,157.85 = 78,869.08 : x
  2. Step 2: Convert to fraction form
    238,827.34/358,157.85 = 78,869.08/x
  3. Step 3: Cross multiply
    238,827.34x = 358,157.85 × 78,869.08
  4. Step 4: Simplify right side
    238,827.34x = 28,247,580,124.28
  5. Step 5: Solve for x
    x = 28,247,580,124.28/238,827.34
  6. Step 6: Final answer
    x = 118,276.16

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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.