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Finding the Fourth Proportional to 470,088.35, 705,412.64 and 170,592.29

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Solution

The fourth proportional to 470,088.35, 705,412.64 and 170,592.29 is: 255,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,088.35 : 705,412.64 = 170,592.29 : x
  2. Step 2: Convert to fraction form
    470,088.35/705,412.64 = 170,592.29/x
  3. Step 3: Cross multiply
    470,088.35x = 705,412.64 × 170,592.29
  4. Step 4: Simplify right side
    470,088.35x = 120,337,957,652.55
  5. Step 5: Solve for x
    x = 120,337,957,652.55/470,088.35
  6. Step 6: Final answer
    x = 255,990.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.