Home / 346,821.80-520,232.70-197,004.20

Finding the Fourth Proportional to 346,821.80, 520,232.70 and 197,004.20

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Solution

The fourth proportional to 346,821.80, 520,232.70 and 197,004.20 is: 295,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,821.80 : 520,232.70 = 197,004.20 : x
  2. Step 2: Convert to fraction form
    346,821.80/520,232.70 = 197,004.20/x
  3. Step 3: Cross multiply
    346,821.80x = 520,232.70 × 197,004.20
  4. Step 4: Simplify right side
    346,821.80x = 102,488,026,877.34
  5. Step 5: Solve for x
    x = 102,488,026,877.34/346,821.80
  6. Step 6: Final answer
    x = 295,506.30

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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.