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Finding the Fourth Proportional to 332,957.32, 499,509.94 and 155,367.45

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Solution

The fourth proportional to 332,957.32, 499,509.94 and 155,367.45 is: 233,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,957.32 : 499,509.94 = 155,367.45 : x
  2. Step 2: Convert to fraction form
    332,957.32/499,509.94 = 155,367.45/x
  3. Step 3: Cross multiply
    332,957.32x = 499,509.94 × 155,367.45
  4. Step 4: Simplify right side
    332,957.32x = 77,607,585,530.35
  5. Step 5: Solve for x
    x = 77,607,585,530.35/332,957.32
  6. Step 6: Final answer
    x = 233,085.69

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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.