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Finding the Fourth Proportional to 400,430.52, 600,698.64 and 147,888.54

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Solution

The fourth proportional to 400,430.52, 600,698.64 and 147,888.54 is: 221,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,430.52 : 600,698.64 = 147,888.54 : x
  2. Step 2: Convert to fraction form
    400,430.52/600,698.64 = 147,888.54/x
  3. Step 3: Cross multiply
    400,430.52x = 600,698.64 × 147,888.54
  4. Step 4: Simplify right side
    400,430.52x = 88,836,444,849.59
  5. Step 5: Solve for x
    x = 88,836,444,849.59/400,430.52
  6. Step 6: Final answer
    x = 221,852.33

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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.