Home / 459,908.40-634,749.48-268,885.20

Finding the Fourth Proportional to 459,908.40, 634,749.48 and 268,885.20

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Solution

The fourth proportional to 459,908.40, 634,749.48 and 268,885.20 is: 371,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,908.40 : 634,749.48 = 268,885.20 : x
  2. Step 2: Convert to fraction form
    459,908.40/634,749.48 = 268,885.20/x
  3. Step 3: Cross multiply
    459,908.40x = 634,749.48 × 268,885.20
  4. Step 4: Simplify right side
    459,908.40x = 170,674,740,879.70
  5. Step 5: Solve for x
    x = 170,674,740,879.70/459,908.40
  6. Step 6: Final answer
    x = 371,105.94

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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.