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Finding the Fourth Proportional to 575,070.81, 862,606.06 and 154,346.68

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Solution

The fourth proportional to 575,070.81, 862,606.06 and 154,346.68 is: 231,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,070.81 : 862,606.06 = 154,346.68 : x
  2. Step 2: Convert to fraction form
    575,070.81/862,606.06 = 154,346.68/x
  3. Step 3: Cross multiply
    575,070.81x = 862,606.06 × 154,346.68
  4. Step 4: Simplify right side
    575,070.81x = 133,140,382,201.27
  5. Step 5: Solve for x
    x = 133,140,382,201.27/575,070.81
  6. Step 6: Final answer
    x = 231,519.98

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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.