Home / 298,387.22-411,783.65-162,430.23

Finding the Fourth Proportional to 298,387.22, 411,783.65 and 162,430.23

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Solution

The fourth proportional to 298,387.22, 411,783.65 and 162,430.23 is: 224,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,387.22 : 411,783.65 = 162,430.23 : x
  2. Step 2: Convert to fraction form
    298,387.22/411,783.65 = 162,430.23/x
  3. Step 3: Cross multiply
    298,387.22x = 411,783.65 × 162,430.23
  4. Step 4: Simplify right side
    298,387.22x = 66,886,114,930.00
  5. Step 5: Solve for x
    x = 66,886,114,930.00/298,387.22
  6. Step 6: Final answer
    x = 224,158.78

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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.