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Finding the Fourth Proportional to 284,480.96, 392,595 and 163,622.10

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Solution

The fourth proportional to 284,480.96, 392,595 and 163,622.10 is: 225,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,480.96 : 392,595 = 163,622.10 : x
  2. Step 2: Convert to fraction form
    284,480.96/392,595 = 163,622.10/x
  3. Step 3: Cross multiply
    284,480.96x = 392,595 × 163,622.10
  4. Step 4: Simplify right side
    284,480.96x = 64,237,218,349.50
  5. Step 5: Solve for x
    x = 64,237,218,349.50/284,480.96
  6. Step 6: Final answer
    x = 225,804.98

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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.