Home / 425,518.18-587,173.03-253,401.91

Finding the Fourth Proportional to 425,518.18, 587,173.03 and 253,401.91

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Solution

The fourth proportional to 425,518.18, 587,173.03 and 253,401.91 is: 349,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,518.18 : 587,173.03 = 253,401.91 : x
  2. Step 2: Convert to fraction form
    425,518.18/587,173.03 = 253,401.91/x
  3. Step 3: Cross multiply
    425,518.18x = 587,173.03 × 253,401.91
  4. Step 4: Simplify right side
    425,518.18x = 148,790,767,302.49
  5. Step 5: Solve for x
    x = 148,790,767,302.49/425,518.18
  6. Step 6: Final answer
    x = 349,669.59

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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.