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Finding the Fourth Proportional to 239,573.54, 358,446.62 and 144,453.62

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Solution

The fourth proportional to 239,573.54, 358,446.62 and 144,453.62 is: 216,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,573.54 : 358,446.62 = 144,453.62 : x
  2. Step 2: Convert to fraction form
    239,573.54/358,446.62 = 144,453.62/x
  3. Step 3: Cross multiply
    239,573.54x = 358,446.62 × 144,453.62
  4. Step 4: Simplify right side
    239,573.54x = 51,778,911,835.76
  5. Step 5: Solve for x
    x = 51,778,911,835.76/239,573.54
  6. Step 6: Final answer
    x = 216,129.51

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1.5x scale

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.