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Finding the Fourth Proportional to 284,801.58, 393,026.28 and 162,290.45

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Solution

The fourth proportional to 284,801.58, 393,026.28 and 162,290.45 is: 223,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,801.58 : 393,026.28 = 162,290.45 : x
  2. Step 2: Convert to fraction form
    284,801.58/393,026.28 = 162,290.45/x
  3. Step 3: Cross multiply
    284,801.58x = 393,026.28 × 162,290.45
  4. Step 4: Simplify right side
    284,801.58x = 63,784,411,031.57
  5. Step 5: Solve for x
    x = 63,784,411,031.57/284,801.58
  6. Step 6: Final answer
    x = 223,960.88

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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.