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Finding the Fourth Proportional to 459,775.82, 634,395.57 and 268,752.26

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Solution

The fourth proportional to 459,775.82, 634,395.57 and 268,752.26 is: 370,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,775.82 : 634,395.57 = 268,752.26 : x
  2. Step 2: Convert to fraction form
    459,775.82/634,395.57 = 268,752.26/x
  3. Step 3: Cross multiply
    459,775.82x = 634,395.57 × 268,752.26
  4. Step 4: Simplify right side
    459,775.82x = 170,495,243,171.49
  5. Step 5: Solve for x
    x = 170,495,243,171.49/459,775.82
  6. Step 6: Final answer
    x = 370,822.55

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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.