Home / 278,095.16-383,742.60-170,669.72

Finding the Fourth Proportional to 278,095.16, 383,742.60 and 170,669.72

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Solution

The fourth proportional to 278,095.16, 383,742.60 and 170,669.72 is: 235,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,095.16 : 383,742.60 = 170,669.72 : x
  2. Step 2: Convert to fraction form
    278,095.16/383,742.60 = 170,669.72/x
  3. Step 3: Cross multiply
    278,095.16x = 383,742.60 × 170,669.72
  4. Step 4: Simplify right side
    278,095.16x = 65,493,242,094.07
  5. Step 5: Solve for x
    x = 65,493,242,094.07/278,095.16
  6. Step 6: Final answer
    x = 235,506.59

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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.