Home / 340,235.70-469,521.54-187,270.62

Finding the Fourth Proportional to 340,235.70, 469,521.54 and 187,270.62

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Solution

The fourth proportional to 340,235.70, 469,521.54 and 187,270.62 is: 258,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,235.70 : 469,521.54 = 187,270.62 : x
  2. Step 2: Convert to fraction form
    340,235.70/469,521.54 = 187,270.62/x
  3. Step 3: Cross multiply
    340,235.70x = 469,521.54 × 187,270.62
  4. Step 4: Simplify right side
    340,235.70x = 87,927,589,899.15
  5. Step 5: Solve for x
    x = 87,927,589,899.15/340,235.70
  6. Step 6: Final answer
    x = 258,431.40

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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.