Home / 621,211.74-931,637.44-242,047.90

Finding the Fourth Proportional to 621,211.74, 931,637.44 and 242,047.90

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Solution

The fourth proportional to 621,211.74, 931,637.44 and 242,047.90 is: 363,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,211.74 : 931,637.44 = 242,047.90 : x
  2. Step 2: Convert to fraction form
    621,211.74/931,637.44 = 242,047.90/x
  3. Step 3: Cross multiply
    621,211.74x = 931,637.44 × 242,047.90
  4. Step 4: Simplify right side
    621,211.74x = 225,500,885,913.38
  5. Step 5: Solve for x
    x = 225,500,885,913.38/621,211.74
  6. Step 6: Final answer
    x = 363,001.65

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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.