Home / 343,558.38-474,115.50-257,364.66

Finding the Fourth Proportional to 343,558.38, 474,115.50 and 257,364.66

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Solution

The fourth proportional to 343,558.38, 474,115.50 and 257,364.66 is: 355,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,558.38 : 474,115.50 = 257,364.66 : x
  2. Step 2: Convert to fraction form
    343,558.38/474,115.50 = 257,364.66/x
  3. Step 3: Cross multiply
    343,558.38x = 474,115.50 × 257,364.66
  4. Step 4: Simplify right side
    343,558.38x = 122,020,574,458.23
  5. Step 5: Solve for x
    x = 122,020,574,458.23/343,558.38
  6. Step 6: Final answer
    x = 355,166.93

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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.