Home / 284,810.35-393,037.25-160,621.45

Finding the Fourth Proportional to 284,810.35, 393,037.25 and 160,621.45

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Solution

The fourth proportional to 284,810.35, 393,037.25 and 160,621.45 is: 221,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,810.35 : 393,037.25 = 160,621.45 : x
  2. Step 2: Convert to fraction form
    284,810.35/393,037.25 = 160,621.45/x
  3. Step 3: Cross multiply
    284,810.35x = 393,037.25 × 160,621.45
  4. Step 4: Simplify right side
    284,810.35x = 63,130,212,999.01
  5. Step 5: Solve for x
    x = 63,130,212,999.01/284,810.35
  6. Step 6: Final answer
    x = 221,657.02

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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.