Home / 459,919.70-634,682.84-255,970.58

Finding the Fourth Proportional to 459,919.70, 634,682.84 and 255,970.58

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Solution

The fourth proportional to 459,919.70, 634,682.84 and 255,970.58 is: 353,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,919.70 : 634,682.84 = 255,970.58 : x
  2. Step 2: Convert to fraction form
    459,919.70/634,682.84 = 255,970.58/x
  3. Step 3: Cross multiply
    459,919.70x = 634,682.84 × 255,970.58
  4. Step 4: Simplify right side
    459,919.70x = 162,460,134,670.85
  5. Step 5: Solve for x
    x = 162,460,134,670.85/459,919.70
  6. Step 6: Final answer
    x = 353,235.87

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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.