Home / 287,295.02-430,877.73-109,738.70

Finding the Fourth Proportional to 287,295.02, 430,877.73 and 109,738.70

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Solution

The fourth proportional to 287,295.02, 430,877.73 and 109,738.70 is: 164,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,295.02 : 430,877.73 = 109,738.70 : x
  2. Step 2: Convert to fraction form
    287,295.02/430,877.73 = 109,738.70/x
  3. Step 3: Cross multiply
    287,295.02x = 430,877.73 × 109,738.70
  4. Step 4: Simplify right side
    287,295.02x = 47,283,961,949.15
  5. Step 5: Solve for x
    x = 47,283,961,949.15/287,295.02
  6. Step 6: Final answer
    x = 164,583.30

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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.