Home / 340,823.80-470,363.95-187,889.32

Finding the Fourth Proportional to 340,823.80, 470,363.95 and 187,889.32

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Solution

The fourth proportional to 340,823.80, 470,363.95 and 187,889.32 is: 259,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,823.80 : 470,363.95 = 187,889.32 : x
  2. Step 2: Convert to fraction form
    340,823.80/470,363.95 = 187,889.32/x
  3. Step 3: Cross multiply
    340,823.80x = 470,363.95 × 187,889.32
  4. Step 4: Simplify right side
    340,823.80x = 88,376,359,426.75
  5. Step 5: Solve for x
    x = 88,376,359,426.75/340,823.80
  6. Step 6: Final answer
    x = 259,302.20

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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.