Home / 231,205.20-346,807.80-178,717.20

Finding the Fourth Proportional to 231,205.20, 346,807.80 and 178,717.20

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Solution

The fourth proportional to 231,205.20, 346,807.80 and 178,717.20 is: 268,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,205.20 : 346,807.80 = 178,717.20 : x
  2. Step 2: Convert to fraction form
    231,205.20/346,807.80 = 178,717.20/x
  3. Step 3: Cross multiply
    231,205.20x = 346,807.80 × 178,717.20
  4. Step 4: Simplify right side
    231,205.20x = 61,980,518,954.16
  5. Step 5: Solve for x
    x = 61,980,518,954.16/231,205.20
  6. Step 6: Final answer
    x = 268,075.80

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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.