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Finding the Fourth Proportional to 298,225.83, 411,555.86 and 162,259.87

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Solution

The fourth proportional to 298,225.83, 411,555.86 and 162,259.87 is: 223,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,225.83 : 411,555.86 = 162,259.87 : x
  2. Step 2: Convert to fraction form
    298,225.83/411,555.86 = 162,259.87/x
  3. Step 3: Cross multiply
    298,225.83x = 411,555.86 × 162,259.87
  4. Step 4: Simplify right side
    298,225.83x = 66,779,000,341.34
  5. Step 5: Solve for x
    x = 66,779,000,341.34/298,225.83
  6. Step 6: Final answer
    x = 223,920.91

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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.