Home / 377,906.04-521,507.02-208,136.60

Finding the Fourth Proportional to 377,906.04, 521,507.02 and 208,136.60

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Solution

The fourth proportional to 377,906.04, 521,507.02 and 208,136.60 is: 287,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,906.04 : 521,507.02 = 208,136.60 : x
  2. Step 2: Convert to fraction form
    377,906.04/521,507.02 = 208,136.60/x
  3. Step 3: Cross multiply
    377,906.04x = 521,507.02 × 208,136.60
  4. Step 4: Simplify right side
    377,906.04x = 108,544,698,018.93
  5. Step 5: Solve for x
    x = 108,544,698,018.93/377,906.04
  6. Step 6: Final answer
    x = 287,226.68

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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.