Home / 377,823.24-521,343-208,068.48

Finding the Fourth Proportional to 377,823.24, 521,343 and 208,068.48

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Solution

The fourth proportional to 377,823.24, 521,343 and 208,068.48 is: 287,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,823.24 : 521,343 = 208,068.48 : x
  2. Step 2: Convert to fraction form
    377,823.24/521,343 = 208,068.48/x
  3. Step 3: Cross multiply
    377,823.24x = 521,343 × 208,068.48
  4. Step 4: Simplify right side
    377,823.24x = 108,475,045,568.64
  5. Step 5: Solve for x
    x = 108,475,045,568.64/377,823.24
  6. Step 6: Final answer
    x = 287,105.28

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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.