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Finding the Fourth Proportional to 294,699.12, 442,051.76 and 235,908.52

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Solution

The fourth proportional to 294,699.12, 442,051.76 and 235,908.52 is: 353,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,699.12 : 442,051.76 = 235,908.52 : x
  2. Step 2: Convert to fraction form
    294,699.12/442,051.76 = 235,908.52/x
  3. Step 3: Cross multiply
    294,699.12x = 442,051.76 × 235,908.52
  4. Step 4: Simplify right side
    294,699.12x = 104,283,776,465.00
  5. Step 5: Solve for x
    x = 104,283,776,465.00/294,699.12
  6. Step 6: Final answer
    x = 353,865.25

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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.