Home / 284,820.33-393,051.08-160,631.49

Finding the Fourth Proportional to 284,820.33, 393,051.08 and 160,631.49

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Solution

The fourth proportional to 284,820.33, 393,051.08 and 160,631.49 is: 221,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,820.33 : 393,051.08 = 160,631.49 : x
  2. Step 2: Convert to fraction form
    284,820.33/393,051.08 = 160,631.49/x
  3. Step 3: Cross multiply
    284,820.33x = 393,051.08 × 160,631.49
  4. Step 4: Simplify right side
    284,820.33x = 63,136,379,823.35
  5. Step 5: Solve for x
    x = 63,136,379,823.35/284,820.33
  6. Step 6: Final answer
    x = 221,670.90

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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.