Home / 277,155.45-415,864.40-158,926.77

Finding the Fourth Proportional to 277,155.45, 415,864.40 and 158,926.77

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Solution

The fourth proportional to 277,155.45, 415,864.40 and 158,926.77 is: 238,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,155.45 : 415,864.40 = 158,926.77 : x
  2. Step 2: Convert to fraction form
    277,155.45/415,864.40 = 158,926.77/x
  3. Step 3: Cross multiply
    277,155.45x = 415,864.40 × 158,926.77
  4. Step 4: Simplify right side
    277,155.45x = 66,091,985,055.35
  5. Step 5: Solve for x
    x = 66,091,985,055.35/277,155.45
  6. Step 6: Final answer
    x = 238,465.40

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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.