Home / 439,684.40-659,574.38-140,094.56

Finding the Fourth Proportional to 439,684.40, 659,574.38 and 140,094.56

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Solution

The fourth proportional to 439,684.40, 659,574.38 and 140,094.56 is: 210,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,684.40 : 659,574.38 = 140,094.56 : x
  2. Step 2: Convert to fraction form
    439,684.40/659,574.38 = 140,094.56/x
  3. Step 3: Cross multiply
    439,684.40x = 659,574.38 × 140,094.56
  4. Step 4: Simplify right side
    439,684.40x = 92,402,779,605.74
  5. Step 5: Solve for x
    x = 92,402,779,605.74/439,684.40
  6. Step 6: Final answer
    x = 210,157.06

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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.