Home / 630,429.30-945,773.55-210,006.90

Finding the Fourth Proportional to 630,429.30, 945,773.55 and 210,006.90

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Solution

The fourth proportional to 630,429.30, 945,773.55 and 210,006.90 is: 315,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,429.30 : 945,773.55 = 210,006.90 : x
  2. Step 2: Convert to fraction form
    630,429.30/945,773.55 = 210,006.90/x
  3. Step 3: Cross multiply
    630,429.30x = 945,773.55 × 210,006.90
  4. Step 4: Simplify right side
    630,429.30x = 198,618,971,337.50
  5. Step 5: Solve for x
    x = 198,618,971,337.50/630,429.30
  6. Step 6: Final answer
    x = 315,053.52

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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.