Home / 281,266.28-388,148.49-152,204.74

Finding the Fourth Proportional to 281,266.28, 388,148.49 and 152,204.74

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Solution

The fourth proportional to 281,266.28, 388,148.49 and 152,204.74 is: 210,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,266.28 : 388,148.49 = 152,204.74 : x
  2. Step 2: Convert to fraction form
    281,266.28/388,148.49 = 152,204.74/x
  3. Step 3: Cross multiply
    281,266.28x = 388,148.49 × 152,204.74
  4. Step 4: Simplify right side
    281,266.28x = 59,078,038,603.40
  5. Step 5: Solve for x
    x = 59,078,038,603.40/281,266.28
  6. Step 6: Final answer
    x = 210,043.09

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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.