Home / 377,012.04-520,278.30-207,257.10

Finding the Fourth Proportional to 377,012.04, 520,278.30 and 207,257.10

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Solution

The fourth proportional to 377,012.04, 520,278.30 and 207,257.10 is: 286,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,012.04 : 520,278.30 = 207,257.10 : x
  2. Step 2: Convert to fraction form
    377,012.04/520,278.30 = 207,257.10/x
  3. Step 3: Cross multiply
    377,012.04x = 520,278.30 × 207,257.10
  4. Step 4: Simplify right side
    377,012.04x = 107,831,371,650.93
  5. Step 5: Solve for x
    x = 107,831,371,650.93/377,012.04
  6. Step 6: Final answer
    x = 286,015.72

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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.