Home / 377,050.50-520,408.98-239,140.14

Finding the Fourth Proportional to 377,050.50, 520,408.98 and 239,140.14

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Solution

The fourth proportional to 377,050.50, 520,408.98 and 239,140.14 is: 330,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,050.50 : 520,408.98 = 239,140.14 : x
  2. Step 2: Convert to fraction form
    377,050.50/520,408.98 = 239,140.14/x
  3. Step 3: Cross multiply
    377,050.50x = 520,408.98 × 239,140.14
  4. Step 4: Simplify right side
    377,050.50x = 124,450,676,334.46
  5. Step 5: Solve for x
    x = 124,450,676,334.46/377,050.50
  6. Step 6: Final answer
    x = 330,063.68

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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.