Home / 346,826.80-519,851.40-197,138.80

Finding the Fourth Proportional to 346,826.80, 519,851.40 and 197,138.80

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Solution

The fourth proportional to 346,826.80, 519,851.40 and 197,138.80 is: 295,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,826.80 : 519,851.40 = 197,138.80 : x
  2. Step 2: Convert to fraction form
    346,826.80/519,851.40 = 197,138.80/x
  3. Step 3: Cross multiply
    346,826.80x = 519,851.40 × 197,138.80
  4. Step 4: Simplify right side
    346,826.80x = 102,482,881,174.32
  5. Step 5: Solve for x
    x = 102,482,881,174.32/346,826.80
  6. Step 6: Final answer
    x = 295,487.20

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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.