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Finding the Fourth Proportional to 145,866.30, 218,799.46 and 46,034.26

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Solution

The fourth proportional to 145,866.30, 218,799.46 and 46,034.26 is: 69,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,866.30 : 218,799.46 = 46,034.26 : x
  2. Step 2: Convert to fraction form
    145,866.30/218,799.46 = 46,034.26/x
  3. Step 3: Cross multiply
    145,866.30x = 218,799.46 × 46,034.26
  4. Step 4: Simplify right side
    145,866.30x = 10,072,271,229.50
  5. Step 5: Solve for x
    x = 10,072,271,229.50/145,866.30
  6. Step 6: Final answer
    x = 69,051.39

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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.