Home / 838,223.09-1,257,346.16-239,184.05

Finding the Fourth Proportional to 838,223.09, 1,257,346.16 and 239,184.05

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Solution

The fourth proportional to 838,223.09, 1,257,346.16 and 239,184.05 is: 358,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,223.09 : 1,257,346.16 = 239,184.05 : x
  2. Step 2: Convert to fraction form
    838,223.09/1,257,346.16 = 239,184.05/x
  3. Step 3: Cross multiply
    838,223.09x = 1,257,346.16 × 239,184.05
  4. Step 4: Simplify right side
    838,223.09x = 300,737,144,930.09
  5. Step 5: Solve for x
    x = 300,737,144,930.09/838,223.09
  6. Step 6: Final answer
    x = 358,779.36

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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.