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Finding the Fourth Proportional to 354,325.86, 530,897.04 and 248,956.20

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Solution

The fourth proportional to 354,325.86, 530,897.04 and 248,956.20 is: 373,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,325.86 : 530,897.04 = 248,956.20 : x
  2. Step 2: Convert to fraction form
    354,325.86/530,897.04 = 248,956.20/x
  3. Step 3: Cross multiply
    354,325.86x = 530,897.04 × 248,956.20
  4. Step 4: Simplify right side
    354,325.86x = 132,170,109,669.65
  5. Step 5: Solve for x
    x = 132,170,109,669.65/354,325.86
  6. Step 6: Final answer
    x = 373,018.53

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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.