Home / 332,070.32-497,463.37-278,121.79

Finding the Fourth Proportional to 332,070.32, 497,463.37 and 278,121.79

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Solution

The fourth proportional to 332,070.32, 497,463.37 and 278,121.79 is: 416,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,070.32 : 497,463.37 = 278,121.79 : x
  2. Step 2: Convert to fraction form
    332,070.32/497,463.37 = 278,121.79/x
  3. Step 3: Cross multiply
    332,070.32x = 497,463.37 × 278,121.79
  4. Step 4: Simplify right side
    332,070.32x = 138,355,402,923.83
  5. Step 5: Solve for x
    x = 138,355,402,923.83/332,070.32
  6. Step 6: Final answer
    x = 416,644.89

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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.