Home / 335,137.15-462,711.95-257,474.45

Finding the Fourth Proportional to 335,137.15, 462,711.95 and 257,474.45

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Solution

The fourth proportional to 335,137.15, 462,711.95 and 257,474.45 is: 355,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,137.15 : 462,711.95 = 257,474.45 : x
  2. Step 2: Convert to fraction form
    335,137.15/462,711.95 = 257,474.45/x
  3. Step 3: Cross multiply
    335,137.15x = 462,711.95 × 257,474.45
  4. Step 4: Simplify right side
    335,137.15x = 119,136,506,635.14
  5. Step 5: Solve for x
    x = 119,136,506,635.14/335,137.15
  6. Step 6: Final answer
    x = 355,485.82

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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.