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Finding the Fourth Proportional to 363,973.80, 545,960.70 and 335,980.20

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Solution

The fourth proportional to 363,973.80, 545,960.70 and 335,980.20 is: 503,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,973.80 : 545,960.70 = 335,980.20 : x
  2. Step 2: Convert to fraction form
    363,973.80/545,960.70 = 335,980.20/x
  3. Step 3: Cross multiply
    363,973.80x = 545,960.70 × 335,980.20
  4. Step 4: Simplify right side
    363,973.80x = 183,431,985,178.14
  5. Step 5: Solve for x
    x = 183,431,985,178.14/363,973.80
  6. Step 6: Final answer
    x = 503,970.30

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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.