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Finding the Fourth Proportional to 432,805.77, 597,302.87 and 239,209.34

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Solution

The fourth proportional to 432,805.77, 597,302.87 and 239,209.34 is: 330,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,805.77 : 597,302.87 = 239,209.34 : x
  2. Step 2: Convert to fraction form
    432,805.77/597,302.87 = 239,209.34/x
  3. Step 3: Cross multiply
    432,805.77x = 597,302.87 × 239,209.34
  4. Step 4: Simplify right side
    432,805.77x = 142,880,421,130.25
  5. Step 5: Solve for x
    x = 142,880,421,130.25/432,805.77
  6. Step 6: Final answer
    x = 330,125.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.