Home / 284,820.24-393,044.16-157,491.48

Finding the Fourth Proportional to 284,820.24, 393,044.16 and 157,491.48

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Solution

The fourth proportional to 284,820.24, 393,044.16 and 157,491.48 is: 217,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,820.24 : 393,044.16 = 157,491.48 : x
  2. Step 2: Convert to fraction form
    284,820.24/393,044.16 = 157,491.48/x
  3. Step 3: Cross multiply
    284,820.24x = 393,044.16 × 157,491.48
  4. Step 4: Simplify right side
    284,820.24x = 61,901,106,463.76
  5. Step 5: Solve for x
    x = 61,901,106,463.76/284,820.24
  6. Step 6: Final answer
    x = 217,333.95

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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.