Home / 268,068.12-369,907.80-154,888.44

Finding the Fourth Proportional to 268,068.12, 369,907.80 and 154,888.44

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Solution

The fourth proportional to 268,068.12, 369,907.80 and 154,888.44 is: 213,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,068.12 : 369,907.80 = 154,888.44 : x
  2. Step 2: Convert to fraction form
    268,068.12/369,907.80 = 154,888.44/x
  3. Step 3: Cross multiply
    268,068.12x = 369,907.80 × 154,888.44
  4. Step 4: Simplify right side
    268,068.12x = 57,294,442,085.83
  5. Step 5: Solve for x
    x = 57,294,442,085.83/268,068.12
  6. Step 6: Final answer
    x = 213,730.91

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1.5x scale

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.