Home / 340,827.10-470,322.39-187,835.38

Finding the Fourth Proportional to 340,827.10, 470,322.39 and 187,835.38

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Solution

The fourth proportional to 340,827.10, 470,322.39 and 187,835.38 is: 259,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,827.10 : 470,322.39 = 187,835.38 : x
  2. Step 2: Convert to fraction form
    340,827.10/470,322.39 = 187,835.38/x
  3. Step 3: Cross multiply
    340,827.10x = 470,322.39 × 187,835.38
  4. Step 4: Simplify right side
    340,827.10x = 88,343,184,848.16
  5. Step 5: Solve for x
    x = 88,343,184,848.16/340,827.10
  6. Step 6: Final answer
    x = 259,202.35

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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.