Home / 377,819.04-521,378.88-208,054.08

Finding the Fourth Proportional to 377,819.04, 521,378.88 and 208,054.08

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Solution

The fourth proportional to 377,819.04, 521,378.88 and 208,054.08 is: 287,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,819.04 : 521,378.88 = 208,054.08 : x
  2. Step 2: Convert to fraction form
    377,819.04/521,378.88 = 208,054.08/x
  3. Step 3: Cross multiply
    377,819.04x = 521,378.88 × 208,054.08
  4. Step 4: Simplify right side
    377,819.04x = 108,475,003,209.83
  5. Step 5: Solve for x
    x = 108,475,003,209.83/377,819.04
  6. Step 6: Final answer
    x = 287,108.36

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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.