Home / 874,238.02-1,311,430.82-243,151.83

Finding the Fourth Proportional to 874,238.02, 1,311,430.82 and 243,151.83

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Solution

The fourth proportional to 874,238.02, 1,311,430.82 and 243,151.83 is: 364,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,238.02 : 1,311,430.82 = 243,151.83 : x
  2. Step 2: Convert to fraction form
    874,238.02/1,311,430.82 = 243,151.83/x
  3. Step 3: Cross multiply
    874,238.02x = 1,311,430.82 × 243,151.83
  4. Step 4: Simplify right side
    874,238.02x = 318,876,803,801.40
  5. Step 5: Solve for x
    x = 318,876,803,801.40/874,238.02
  6. Step 6: Final answer
    x = 364,748.27

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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.