Home / 284,802.83-393,028-162,291.70

Finding the Fourth Proportional to 284,802.83, 393,028 and 162,291.70

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Solution

The fourth proportional to 284,802.83, 393,028 and 162,291.70 is: 223,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,802.83 : 393,028 = 162,291.70 : x
  2. Step 2: Convert to fraction form
    284,802.83/393,028 = 162,291.70/x
  3. Step 3: Cross multiply
    284,802.83x = 393,028 × 162,291.70
  4. Step 4: Simplify right side
    284,802.83x = 63,785,182,267.60
  5. Step 5: Solve for x
    x = 63,785,182,267.60/284,802.83
  6. Step 6: Final answer
    x = 223,962.60

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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.