Home / 268,043.18-369,855.72-153,303.33

Finding the Fourth Proportional to 268,043.18, 369,855.72 and 153,303.33

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Solution

The fourth proportional to 268,043.18, 369,855.72 and 153,303.33 is: 211,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,043.18 : 369,855.72 = 153,303.33 : x
  2. Step 2: Convert to fraction form
    268,043.18/369,855.72 = 153,303.33/x
  3. Step 3: Cross multiply
    268,043.18x = 369,855.72 × 153,303.33
  4. Step 4: Simplify right side
    268,043.18x = 56,700,114,882.51
  5. Step 5: Solve for x
    x = 56,700,114,882.51/268,043.18
  6. Step 6: Final answer
    x = 211,533.51

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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.