Home / 403,094.12-555,985.35-273,956.78

Finding the Fourth Proportional to 403,094.12, 555,985.35 and 273,956.78

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Solution

The fourth proportional to 403,094.12, 555,985.35 and 273,956.78 is: 377,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,094.12 : 555,985.35 = 273,956.78 : x
  2. Step 2: Convert to fraction form
    403,094.12/555,985.35 = 273,956.78/x
  3. Step 3: Cross multiply
    403,094.12x = 555,985.35 × 273,956.78
  4. Step 4: Simplify right side
    403,094.12x = 152,315,957,603.14
  5. Step 5: Solve for x
    x = 152,315,957,603.14/403,094.12
  6. Step 6: Final answer
    x = 377,866.98

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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.