Home / 281,824.13-388,915.87-152,762.09

Finding the Fourth Proportional to 281,824.13, 388,915.87 and 152,762.09

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Solution

The fourth proportional to 281,824.13, 388,915.87 and 152,762.09 is: 210,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,824.13 : 388,915.87 = 152,762.09 : x
  2. Step 2: Convert to fraction form
    281,824.13/388,915.87 = 152,762.09/x
  3. Step 3: Cross multiply
    281,824.13x = 388,915.87 × 152,762.09
  4. Step 4: Simplify right side
    281,824.13x = 59,411,598,426.98
  5. Step 5: Solve for x
    x = 59,411,598,426.98/281,824.13
  6. Step 6: Final answer
    x = 210,810.90

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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.