Home / 284,492.19-392,626.39-155,450.28

Finding the Fourth Proportional to 284,492.19, 392,626.39 and 155,450.28

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Solution

The fourth proportional to 284,492.19, 392,626.39 and 155,450.28 is: 214,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,492.19 : 392,626.39 = 155,450.28 : x
  2. Step 2: Convert to fraction form
    284,492.19/392,626.39 = 155,450.28/x
  3. Step 3: Cross multiply
    284,492.19x = 392,626.39 × 155,450.28
  4. Step 4: Simplify right side
    284,492.19x = 61,033,882,260.89
  5. Step 5: Solve for x
    x = 61,033,882,260.89/284,492.19
  6. Step 6: Final answer
    x = 214,536.23

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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.