Home / 277,455.72-382,890.20-156,602.10

Finding the Fourth Proportional to 277,455.72, 382,890.20 and 156,602.10

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Solution

The fourth proportional to 277,455.72, 382,890.20 and 156,602.10 is: 216,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,455.72 : 382,890.20 = 156,602.10 : x
  2. Step 2: Convert to fraction form
    277,455.72/382,890.20 = 156,602.10/x
  3. Step 3: Cross multiply
    277,455.72x = 382,890.20 × 156,602.10
  4. Step 4: Simplify right side
    277,455.72x = 59,961,408,345.09
  5. Step 5: Solve for x
    x = 59,961,408,345.09/277,455.72
  6. Step 6: Final answer
    x = 216,111.63

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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.