Home / 281,423.34-388,364.85-152,363.18

Finding the Fourth Proportional to 281,423.34, 388,364.85 and 152,363.18

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Solution

The fourth proportional to 281,423.34, 388,364.85 and 152,363.18 is: 210,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,423.34 : 388,364.85 = 152,363.18 : x
  2. Step 2: Convert to fraction form
    281,423.34/388,364.85 = 152,363.18/x
  3. Step 3: Cross multiply
    281,423.34x = 388,364.85 × 152,363.18
  4. Step 4: Simplify right side
    281,423.34x = 59,172,501,604.40
  5. Step 5: Solve for x
    x = 59,172,501,604.40/281,423.34
  6. Step 6: Final answer
    x = 210,261.53

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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.