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Finding the Fourth Proportional to 477,178.08, 658,518.36 and 259,401.39

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Solution

The fourth proportional to 477,178.08, 658,518.36 and 259,401.39 is: 357,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,178.08 : 658,518.36 = 259,401.39 : x
  2. Step 2: Convert to fraction form
    477,178.08/658,518.36 = 259,401.39/x
  3. Step 3: Cross multiply
    477,178.08x = 658,518.36 × 259,401.39
  4. Step 4: Simplify right side
    477,178.08x = 170,820,577,924.52
  5. Step 5: Solve for x
    x = 170,820,577,924.52/477,178.08
  6. Step 6: Final answer
    x = 357,980.77

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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.