Home / 281,267.73-388,148.07-152,206.11

Finding the Fourth Proportional to 281,267.73, 388,148.07 and 152,206.11

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Solution

The fourth proportional to 281,267.73, 388,148.07 and 152,206.11 is: 210,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,267.73 : 388,148.07 = 152,206.11 : x
  2. Step 2: Convert to fraction form
    281,267.73/388,148.07 = 152,206.11/x
  3. Step 3: Cross multiply
    281,267.73x = 388,148.07 × 152,206.11
  4. Step 4: Simplify right side
    281,267.73x = 59,078,507,838.71
  5. Step 5: Solve for x
    x = 59,078,507,838.71/281,267.73
  6. Step 6: Final answer
    x = 210,043.68

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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.