Home / 439,719.40-659,093.10-173,391.40

Finding the Fourth Proportional to 439,719.40, 659,093.10 and 173,391.40

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Solution

The fourth proportional to 439,719.40, 659,093.10 and 173,391.40 is: 259,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,719.40 : 659,093.10 = 173,391.40 : x
  2. Step 2: Convert to fraction form
    439,719.40/659,093.10 = 173,391.40/x
  3. Step 3: Cross multiply
    439,719.40x = 659,093.10 × 173,391.40
  4. Step 4: Simplify right side
    439,719.40x = 114,281,075,339.34
  5. Step 5: Solve for x
    x = 114,281,075,339.34/439,719.40
  6. Step 6: Final answer
    x = 259,895.46

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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.