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Finding the Fourth Proportional to 235,477.07, 324,948.47 and 133,509.39

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Solution

The fourth proportional to 235,477.07, 324,948.47 and 133,509.39 is: 184,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,477.07 : 324,948.47 = 133,509.39 : x
  2. Step 2: Convert to fraction form
    235,477.07/324,948.47 = 133,509.39/x
  3. Step 3: Cross multiply
    235,477.07x = 324,948.47 × 133,509.39
  4. Step 4: Simplify right side
    235,477.07x = 43,383,672,011.13
  5. Step 5: Solve for x
    x = 43,383,672,011.13/235,477.07
  6. Step 6: Final answer
    x = 184,237.35

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1.5x scale

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.