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Finding the Fourth Proportional to 273,808.70, 378,114.82 and 258,898.83

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Solution

The fourth proportional to 273,808.70, 378,114.82 and 258,898.83 is: 357,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,808.70 : 378,114.82 = 258,898.83 : x
  2. Step 2: Convert to fraction form
    273,808.70/378,114.82 = 258,898.83/x
  3. Step 3: Cross multiply
    273,808.70x = 378,114.82 × 258,898.83
  4. Step 4: Simplify right side
    273,808.70x = 97,893,482,438.48
  5. Step 5: Solve for x
    x = 97,893,482,438.48/273,808.70
  6. Step 6: Final answer
    x = 357,525.10

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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.